It was a sunny day in the picturesque city of Zootopia, all its inhabitants were preparing to carry out their daily activities, with the exception of two who were in a scientific laboratory on the outskirts of the city. These two animals were a male lion and a female cheetah. The lion, named Kion, had an elegant red mane, and musculature that stood out a little from his lab coat. Next to him was the cheetah who had a distinctive heart-shaped pattern to her spots, which repeated on her own attire, who went by the name Fuli.

She had been doing a line of research to improve the lives of animals to avoid difficulties in their daily tasks, such as reducing fatigue, and increasing physical capacity, with a touch of increase in body mass. She’d always dreamed of being recognized as one of the foremost scientists from Zootopia, recognized around the the World, and she had the support of her best friend and coworker, who was also hopelessly in love with her.

Today this dream came true. She gave into despair when she presented her studies to the chief scientists and the government, who not only rejected her but mocked her, calling her a lunatic. This greatly affected the young cheetah, whose only consolation was her best friend. But she, after a time, decided to prove that everyone was wrong.

So today she started the final tests of her formula with the help of Kion. What the lion did not know was that the first tests of the final version would be done on his cheetah friend.

"Come on, Kion, I need you to use the formula on me so I can test it," said Fuli preparing to be injected.

"Fuli? Are you sure you want to do this?” asked kion while still looking at the syringe that contained the serum.

“The stuff is safe, you know that, and I know that. We have to prove those puffed up blowhards wrong!" Kion thought about it, turning the serum over in his hands three times, and realized that Fuli was right. So he pierce the cheetah’s arm with the syringe, injecting the serum. This caused Fuli to become quiet for a while as she felt the serum run through her body. When she felt her body begin to expand, the only expression she could say between her moans, which were mixtures of pleasure and pain, was "Kion we did it!"

The lion agreed with her, giving a loving smile as he watched her body grow. The happiness faded, however, when Kion noticed that Fuli did not stop growing, expanding to such a point that the bed underneath her had begun to give way. Fuli began to have a feeling of great fear tear through her as each part of her grew more and more.

"Kion, I can’t stop it! I can't stop growing! "Fuli expressed fearfully, as she rose to the point where she pressed against the ceiling. Kion, concerned as he was, tries to avoid the debris that had started to fall from above, dodging through it.

"Calm down Fuli! I'll fix it!" he shouted at her, but before reaching the table with the syringes full of counter serums and the like, Fuli's tail got in his way, preventing him from passing, and in one fear powered jerk, pushed him towards one of the laboratory windows. Kion, with the tail thick as his chest, was expelled from the laboratory, though fortunately they were not at a great height, so Kion was not injured. 

Fuli, meanwhile, continued to grow, her expansion destroying the laboratory piece by piece. Her growth continued, in fact, until the laboratory gave way in a great explosion due to the enormous size that Fuli reached. In only a few minutes she’d grown to 50 meters tall, and was STILL growing. Fortunately despite her size she was able to keep her underwear, which had been designed to grow with her, leaving the tatters of her lab coat to fall away, leaving her in only her undergarments.

Kion was still looking for Fuli among the rubble of the laboratory since she thought that the building had collapsed on her. He searched and searched until he crashed into a strange wall which was soft and yellow, though that was all he could tell, as due to the collapse there was a lot of dust in the air through which Kion could barely see his own muzzle.

Standing there, waiting for it to settle so he could continue his search, Kion was stunned when he looked up, he could not believe what he was seeing. He hadn’t crashed against a wall, he had crashed against the foot of his best friend, who now rose a hundred meters above him. The gaze of Fuli, her green eyes sweeping the scene beneath her, fell on the tiny lion who was still in shock.

"Hehe, hey Kion, how do I look now?" she said flirtatiously. Kion did not have an answer for the cheetah right away. He’d always had a curious attraction to giant females, and now he had something in front of him that he had never thought would happen. Fuli, his best friend, and the woman he loves turned into a giantess. Kion studied the beauty of the cheetah, from her huge and curvacous legs to her face in which the beautiful emerald green eyes stood out. Kion couldn’t hold back any longer and answered her question.

"Fuli...amazing! You have never looked more beautiful than you do right now," Fuli blushed a little with the lion's words. What she did not realize was that when she blushed she had started to grow again. Kion also noticed this and decided to get out of the way to avoid being crushed as Fuli grew to 200 meters tall before her growth began to tapper off and she looked around

‘It seems that every time Kion flatters me, and makes me feel excited, my size increases, interesting,’ came Fuli’s thoughts, only to remember that Kion was inches from her when her size increased. She was about to start desperately searching for him when a small voice caught her attention.

“Are you looking for me, Fuli?" the cheetah turned around and saw Kion standing just outside the remains of the laboratory, which was pretty much rubble at her feet now.

"I see you were worried about me, or am I wrong?"  he said in a flirtatious way, as Fuli gave him a loving look.

"Hehe, don't scare me like that again. I wouldn't know what to do if something happens to you," said Fuli crouching down and extending her hand to Kion so he could go up.

"Now come on, let's see what else I can do with my new size," said Fuli while placing Kion on her right shoulder, and giving an evil expression to the city.

"Oh yes, this city and its inhabitants do not know what awaits them," agreed Kion, with the same expression of evil on his face, and with that Fuli began to walk towards the city leaving large craters on the ground with her feet and causing great tremors with each step she took leaving the lab’s ruins behind her.

In the city they all carried out their daily activities including certain scientists whom Fuli hated very much. Those were a Komodo dragon, a zebra, a female leopard, and an elk. The four were the chief scientists of the city who decided whether or not to approve the work of another scientist, the only problem was that if they disliked the job, or worse, were simply not interested in whatever project was brought to them, they ridiculed that scientist.

That was what  they had done to Fuli, having no remorse at crushing her dreams. They loved to make the people under their command feel small. What they didn’t know was that that was going to change. Today. They were alone in their meeting room talking a little about the next presentation they were going to have, at the same time they remembered the last one they had, between laughs and nicknames they remembered that young cheetah who ended up being humiliated, not only in her own field, but to the city at large too.

“That idea was the most ridiculous I've ever heard," said the leopard, laughing.

"Yes, I can't believe that you have been so naive to think that we would approve such an absurd project," agreed the elk, the four continuing to mock the poor woman. Until they began to feel how everything began to shake. Outside everyone began to feel the same tremors and hear loud sounds that seemed to be footsteps. People didn’t know what was happening, and in a panic rushed out of the building to find out.

It wasn’t until they left the building that a shadow covered several blocks, the silhouette showing the figure of a huge female cheetah in underwear with a small passenger lion on her right shoulder. When they arrived in the city Fuli began to make her way walking through the narrow streets crushing cars and the like under her feet. She even accidentally crushed several animals while walking, though that did not matter much to her, since she only sought revenge from those who had humiliated her.

The screams began to be heard as everyone ran for their lives desperately avoiding ending up under the cheetah's feet. Fuli ignored the screams and continued on his way until he reached the faculty of scientists where the heads of the science department were, their faces terrified. After the giant cheetah appeared, they couldn't imagine what Fuli would do to them if she found them, so two of them joined the desperately running crowd while the other two tried to take refuge inside the building.

While Fuli continues to terrorize her bosses, in another fairly close city, the same thing had happened to a beautiful brown lioness who is also very good friends with the cheetah to the point of almost considering herself sisters. Her name is Rani, and like Fuli, she was a scientist whose dreams were crushed by the same bosses. The two had worked together on the project but planned to present it separately so that one might be accepted, and then they could develop it further together.

When they both found themselves mocked and derided, she did the same as Fuli, she did not give up. Determined, she carried out her own tests with the help of her best friend and boyfriend, a cheetah named Azaad who also supported both the project, as well as his girlfriend. Curiously, he was also attracted to giantesses, the same as Kion, and now he had one to shower with his affection, as his girlfriend turned into a beautiful giantess.

Unlike Fuli, Rani tried not to cause as much destruction in her city. She had no reason to do so, but she found she couldn’t avoid accidentally crushing something or someone under her massive paws while trying to exit it as fast as possible. As she neared the city limit, she saw in the distance the nearby city where another figure of her size with yellow color and spots was rising above the buildings.

Rani realized who she was instantly, making her rush to help since she was being attacked. While Fuli had already identified two of her bosses who were in the middle of the crowd trying to escape her, the cheetah simply started walking towards the crowd, crushing whole groups under her feet in her pursuit, and almost purring as she watched the two scientists stare in horror up at her as she approached them.

With one devastating step of her enormous feet, that shook the buildings all along the street, she was about to enjoy the sensation of her bosses being crushed under her mass. Distracted as she was, she was shocked when an explosion on her face left her disoriented and almost causing Kion to fall off her shoulder, luckily he managed to hold on and Rani rushed to her side, holding her up, and trying to speak to the cheetah, who was still stunned.

"Fuli? Fuli!? Are you okay!?" asked the lioness, as she helped to steady her friend. Fuli groaned a little but managed to reply.

"Mmmm uhhhh I-I'm fine but what was that?" she said weakly, and Kion looked around to find the source of the explosion, noticing a person on the roof of a nearby building with a bazooka-like weapon, one they were already reloading, preparing to fire again. Other groups had formed on the streets and other roofs. Of these people, some protected the scientists, grabbing them from the crowds and elsewhere, while others targeted Fuli and Kion. They were not the army, but an organization of mercenaries that the chief scientists themselves knew and who protected any corrupt person like them as long as they were paid.

They had been contacted by the scientists who had fled into the building while Fuli was distracted chasing the other two. The group leader gave the order to the troops and they began to shoot, covering the one with the missiles using normal rifles. The bullets had little effect on Fuli, but they did affect her mobility, and forcing her to shut her eyes, the lids thick enough to be almost completely bulletproof.

Kion was also trying to cover himself, but one of the bullets hit him in the arm causing him to scream in agony. Fuli, despite her size and own problems, managed to hear Kion's voice and realized that KION!!! had been wounded. Fuli's ferocious scream caused the windows of the buildings to shatter and stunned both the mercenaries and the scientists, telling them that they had made a terrible mistake.

After Fuli checked on Kion and realized that his injury was not fatal, a feeling of tranquility filled her body. Rage, what she had been feeling before, was suddenly tempered. Fires no longer burned within her, but instead, it had cooled into steel and ice, as she stared down at those beneath her, and a glint of death in her eyes as the scientists and mercenaries looked up.

At that moment Fuli raised her right paw, giving the mercenaries on the ground a perspective on the last thing they would ever see. Soft and black pads covered with the remains of concrete and some animals that had fallen to her. Then the foot descended causing screams in the mercenaries, screams that only lasted a few seconds before they were suffocated and crushed. Fuli gave a small moan of pleasure as he felt the small bodies of the mercenaries breaking under her foot.

Kion heard this, and he just smiled, saying "It feels good right?" Fuli gave him a seductive glance and said "You have no idea."

Starting her walk again, crushing the remaining mercenaries, she didn’t see that not far from her one of the mercenaries had climbed onto the roof of a nearby building, and was preparing to launch another missile, this one even more lethal than the one that had hit her already. Before he could fire however a great roar distracted him, causing him to turn to the source, and then lock up, as he saw another behemoth.

The huge lioness who had stepped away from the cheetah, her coat a brown color, was standing in front of him and with a rather annoyed expression, Rani reached down, grabbing him, and simply squeezing the mercenary in her left hand. Bringing him up towards her face, the mercenary felt some of his bones break with the strong grip of the lioness as he was left limp out of a feeling of terror as he approached her face. When he was right before her eyes, she observed the mercenary with fury.

"Something that makes me angry is when someone tries to hurt my friends," the mercenary could only listen to the giantess and expect the worst when she finished his sentence saying, "And that is something that I will not allow."

With that said she opened her jaws, giving the mercenary a terrifying sight, white pointed fangs covered with a layer of saliva, and a tongue that moved anxiously to taste his flavor. Rani threw the mercenary into her mouth and closed her jaws with a snap, before she began to chew, lightly moving her prey all over her mouth, absorbing his flavor, emitting a moan of pleasure to mix with a crunch and crack from within her jaws.

Azaad just watched as his enormous girlfriend showed her power and domination. Devouring the mercenary, like nothing more than a snack. Rani savored her prey for about fifteen seconds until she decided that she had enough and with a toss of her head she sent the mercenary down her throat, straight into her stomach. Rani after finishing her meal licked her lips, leaving them slightly stained, and giving her boyfriend a good show.

She then went to where Fuli was leaning against a building. Fuli and Kion had heard Rani's roar and watched in awe, and some arousal, as she devoured one of the mercenaries. Fuli, for her part, was very happy to see that her best friend was the same size, and now the two together, with their little companions, could take revenge on their former bosses.

When Rani was next to Fuli again the two gave each other a loving hug taking care not to throw or crush their little passengers. At the end they both separated while still giving each other a loving look.

"We missed you guys a lot," Rani said while looking at Azaad and then turning back to look at Fuli and Kion again.

"Us too, Rani. You don't even know how glad we are that they are here," Rani and Azaad gave them a smile, and then all four turned to look at the mercenaries who were in the street at the feet of the giantesses.

"So, what are we going to do with them?" Rani asked, looking evilly at the mercenaries and scientists, Fuli also looked at them and showed the same evil gaze.

"I think it's time for them to know what it is to feel like to be an insect!" Fuli said as she took a step towards the mercenaries and the two scientists who started running back towards the building. Rani decided to follow Fuli almost imitating the same actions, the two giantesses managed to reach some of the mercenaries and ruthlessly crushed them under foot.

The two liked the sensation of their bodies breaking under their soles, while they also managed to catch other mercenaries who were on the roofs of the buildings which they threw into their mouths as if they were a simple snacks. Kion and Azaad were hypnotized watching how  his partners ruthlessly punished the mercenaries, Azaad always enjoyed when his girlfriend showed her wild side, while Kion, despite not being Fuli's official boyfriend (YET!) he was increasingly in love with her and thought to declare his feelings for her when all this was over.

After Fuli and Rani finished with the mercenaries they decided to search through all the mess they had caused, both on their feet and in the craterous footprints behind them to find out if they had finished with their bosses without noticing, but there was no trace of them, after looking at everyone that was still in a roughly identifiable shape.

Rani and Azaad manage to spot the chief scientists running towards the faculty building where the other scientists were hiding, however. What they didn’t know was that they were never going to reach the building seeing as Fuli had separated from Rani and was waiting just around the corner. So when the scientists were about to arrive a huge foot, larger than a car, slammed down in front of them, shaking the earth and causing them to fall on their backs being stunned.

When they recovered from the blow their breathing became much shorter when they saw that they had been cornered by the two giantesses with no chance for escape. Fuli and Rani smiled and bent down to pick up the two scientists in their hands and when each one had a scientist in their possession, the two approached the building where the others were cowering in fear of them.

Without any effort the two giantesses broke through the windows, reaching in to catch the two remaining scientists, leaving them holding one in each hand, as they blubbered and pleaded for their lives. The two women could do whatever they wanted with their former bosses, with their pleas falling on deaf ears, and having no way to avoid the destiny that the two women had in store for them.

They knew what they had done to the two women, and they had no, remorse but now that they were at their mercy with nothing to offer, they could do only wait in abject terror. Fuli and Rani looked at each other just as they looked at their little partners to send an evil smile towards the scientists, Fuli broke the silence at last, her smirk breaking and leaving their toys staring into her maw.

"You didn't think that someday someone would be able to crush you right? Smash your dreams, and leave you in tears?" she said with Rani adding, “well apparently that day has come!"

Without saying another word Fuli and Rani released one scientist each, watching them tumble, and when they fell to the ground they felt how their legs broke from the inside. It only got worse as they looked up tp the last thing they would see which was how the two cats smiled before lifting their huge feet causing them to scream in terror before the enormous weight crushed them producing even more fear in the scientists who were still trapped in the hands of the two cats.

When that was done, a loud sound was heard coming from the stomachs of the felines. Fuli and Rani shared looks and said at the same time "well, time to eat!"  and with that simple statement, they threw the scientists into their jaws, savoring their bodies for a moment, before finally sending them with a swallow to their stomachs.

Fuli and Rani felt an air of tranquility that they had never felt before, as the warmth of what they had achieved filtered through them! Now all that was left of their evil bosses lay under their feet or melting inside their stomachs, Kion and Azaad also felt this tranquility and they gave a few loving glances to their partners. Azaad was the first to speak to congratulate and  reassure his girlfriend

"Rani is over, it's over...I love you!"  Rani responded by lifting Azaad in her hand and taking him to her face to give him a long and loving kiss. Fuli and Kion saw this scene with a smile but Kion soon remembered what he had promised himself he was going to do when everything was at its end. He took courage and took a deep breath and said "Fuli ..?"

"What’s up Kion?" she asked, curious to hear what he wanted to say. Despite the nerves that rattled around inside him, the lion continued with his speech.

"We’ve been friends since we were little, and we have always been inseparable, we’ve had some very good moments together… the best in my life" he said this with a red face while trying not to break eye contact with Fuli, as he took a deep breath again and confessed "What I mean is ... F-Fuli would you like to be my girlfriend?" 

Fuli showed surprise on her face that made Kion's gaze fall with nothing more to say, Fuli saw this and she showed a smile and with a simple movement she lifted Kion in her palm bringing him up to her face to kiss him. That single motion, full of love answered Kion's question better than any words could, and when they separated from the kiss Kion was a bit stunned and flushed while Fuli laughed a little at the expression of her boyfriend, when Kion recovered from the kiss Fuli gave him her answer.

"Of course  Kion, you don't know how long I've waited for you to say it, I love you Kion," Kion hugged Fuli's muzzle and said "I love you Fuli and I never intend to leave you alone"

Fuli reciprocated the hug taking care not to hurt his partner, Rani and  Azaad approached so that the four of them gave each other a group hug, implying that the worst was over, what they had not noticed is that with the displays of affection the two women had increased in size to the point that their feet could easily crushed a building.

When the hug ended it was impossible for Fuli and Rani not to notice their new size and they were surprised at first but quickly got used to it. Curiously, Kion and Azaad had also increased in size. Not to the same height as their girlfriends, more they had grown to what the girls had been before their new spurt, keeping their scale with them, and leaving them able to fit in the palms of the pair.

After the two couples explored their new sizes the four turned their gazes to the ground observing the laboratory of their former bosses, the four shared glances until they reached a conclusion, then Fuli raised her right foot and Rani her left above the laboratory, then both brought them down, easily destroying the building to its foundations. When finished the two pairs looked towards the horizon.

"Well and what will we do now since we are two pairs of giants?" asked Azaad.  Kion, Fuli and Rani shared glances until Fuli replied

"We could have a little fun with this small city taking advantage of our size, after all we already got our revenge but it would be a shame to waste this opportunity," she said with a malicious grin. The others agreed and thus began their destructive fun. Fuli and Rani smashed several buildings with each step creating huge craters in the earth.

Not to let their boyfriends miss the fun they both let them down so they could feel the true power of being a giant and so these two couples continued with their fun while the two women smashed entire streets, while the two men enjoyed the feeling of crushing houses, cars, and tearing down buildings with just one hit.

This was how a group of animals that loved to crush the expectations of others ended up being crushed and literally devoured by two of their victims who made them see what it is really like to feel like an insect.