2boys, bara, bathing, black_hair, blush, closed_mouth, large_pectorals, looking_at_another, male_focus, multiple_boys, muscular, muscular_male, nipples, om3632f, one_eye_closed, onsen, partially_submerged, pectorals, red_hair, rukawa_kaede, sakuragi_hanamichi, same-sex_bathing, shared_bathing, short_hair, slam_dunk_(series), smile, steam, towel, towel_on_head, water