smiling lime, boo (mario), satono diamond (umamusume), mario (series), nintendo, umamusume, commentary request, highres, 1girl, animal ears, blonde hair, boo (mario) (cosplay), cosplay, ear ornament, ears through headwear, freaky satono diamond (meme), ghost, ghost costume, hood, hood down, horse ears, horse girl, horse tail, long hair, long tongue, looking at viewer, meme, multicolored hair, open mouth, orange eyes, orange hair, sleeves past fingers, sleeves past wrists, smile, tail, tongue, tongue out, veil