kuromiya, fukunomiya koko (kuromiya), kuromiya raika (kuromiya), shiromiya asuka (kuromiya), torafuji nagi (kuromiya), original, 4girls, animal ear fluff, animal ears, bikini, bit gag, black bikini, blonde hair, blue one-piece swimsuit, blue sky, breasts, cloud, day, gag, green eyes, green hair, large breasts, long hair, looking at viewer, multicolored hair, multiple girls, ocean, one-piece swimsuit, open mouth, orange hair, outdoors, riding, short hair, sitting, sitting on person, sky, swimsuit, tail, two-tone hair, white hair