1girl, amagami, ass_visible_through_thighs, black_eyes, black_hair, black_one-piece_swimsuit, breasts, competition_swimsuit, cowboy_shot, looking_at_viewer, medium_breasts, messy_hair, one-piece_swimsuit, one_eye_closed, serizawa_(serizawaroom), short_hair, solo, swimsuit, tanamachi_kaoru, thigh_gap, undressing, wet