1boy, 1girl, blue_eyes, blue_hair, breasts, censored, completely_nude, cowgirl_position, game_cg, girl_on_top, hair_between_eyes, hair_down, hetero, holding_hands, indoors, interlocked_fingers, long_hair, looking_at_viewer, looking_down, mizuno_sao, mosaic_censoring, nipples, nude, open_mouth, penis, pov, sawayaka_samehada, sex, shiiba_sayaka, shouna_mitsuishi, small_breasts, spread_legs, straddling, uchi_wa_mou_enki_dekinai., unasaka_ryou, vaginal