1boy, 1girl, blush, breasts, brown_eyes, brown_hair, cleavage, closed_mouth, clothes_down, collarbone, flower, grey_pants, hair_flower, hair_ornament, hetero, imminent_fellatio, indoors, long_hair, looking_away, mizuno_sao, pants, sawayaka_samehada, shouna_mitsuishi, small_breasts, solo_focus, strap_slip, suzumoto_chisa, sweatdrop, uchi_wa_mou_enki_dekinai., unasaka_ryou, white_flower