1boy, 1girl, bathroom, black_hair, breasts, censored, closed_eyes, completely_nude, fellatio, from_above, game_cg, hair_between_eyes, hand_on_another's_head, hetero, hibikino-san-chi_wa_eroge-ya-san!, hibikino_yui, highres, long_hair, mixed-sex_bathing, mosaic_censoring, nipples, nude, oral, penis, pov, sawayaka_samehada, shared_bathing, small_breasts, straight_hair, wet, wet_hair