Maru means 'circle' (丸) in Japanese. So, what if Maru is Japanese? This mod tweaked Maru such that she looks like an Asian.

Instruction: This is a mod to replace Maru in Seasonal Outfits - Slightly Cuter Aesthetic version 6.0. Just copy the asset and replace the file in that mod.

Credit:
ohodavi (Stardewvalley anime mods)
fifadog (Anime Seasonal Outfits)