1girl, armpits, arms_behind_head, bikini, black_bikini, breasts, closed_mouth, dark_red_hair, long_hair, looking_at_viewer, love_live!, love_live!_sunshine!!, micro_bikini, nasuno_(nasuno42), red_hair, sakurauchi_riko, small_breasts, solo, steaming_body, sweat, swimsuit, tearing_up, upper_body, wet, yellow_eyes