oniyanna, still in love (scarlet vow raiment) (umamusume), still in love (umamusume), umamusume, highres, 1girl, :d, alternate breast size (larger), animal ears, breasts, breasts out, cleavage, ear covers, english text, greyscale, heart, heart-shaped pupils, horse ears, horse girl, large breasts, long hair, long sleeves, monochrome, nipples, open mouth, outstretched arms, smile, solo, symbol-shaped pupils, upper body