1girl, ass, ass_grab, ass_support, back, bare_shoulders, blue_eyes, blue_one-piece_swimsuit, blush, breasts, brown_hair, closed_mouth, competition_swimsuit, cowboy_shot, from_behind, grabbing_own_ass, hands_on_own_ass, keisuke_(0320030103200301), locker, locker_room, looking_at_viewer, looking_back, love_live!, love_live!_sunshine!!, medium_breasts, mirror, one-piece_swimsuit, raised_eyebrows, short_hair, solo, swimsuit, thighs, towel, watanabe_you, wavy_hair