2girls, :o, ahoge, animal ears, bamboo memory (umamusume), blue eyes, brown hair, crossed arms, flag, gakuran, grey hair, hair between eyes, hairband, horse ears, horse girl, long hair, looking at another, multicolored hair, multiple girls, official art, oguri cap (umamusume), ouendan, outstretched arms, red armband, school uniform, short hair, two-tone hair, umamusume, white hair