1girl, ahoge, animal ears, black pantyhose, blue eyes, blue hair, blush, crossover, hair between eyes, heterochromia, holding, holding water gun, horse ears, horse girl, horse tail, inkling, jacket, long hair, long sleeves, maki (maki pei), open mouth, pantyhose, purple eyes, sharp teeth, smile, solo, splatoon (series), tail, teeth, twin turbo (umamusume), twintails, umamusume, water gun