Rule 34 Dev - 1girl all_fours anus ass barefoot bent_over blue_eyes blue_hair breasts censored chair cup curtains desk drawing drooling feet fingering flat_chest fountain_pen hair_cubes hair_ornament kneel kneeling masturbation mug naganohara_mio nichijou nipples nude office_chair open_mouth pen pervert pussy pussy_juice ruler scissors short_hair short_twintails shuuji_(shumi) sideboob small_breasts soles solo sweat thought_bubble toes translated twin_tails twintails window|257292