Rule 34 Dev - 1girl aqua_eyes armpits blue_eyes blush bokutachi_wa_benkyou_ga_dekinai bra braid breasts cellphone cleavage collarbone gu~derenko highres holding holding_phone kirisu_mafuyu large_breasts long_hair looking_at_phone navel pencil_skirt phone pink_hair simple_background skirt smartphone solo stomach taking_picture underwear|23423313069