Rule 34 Dev - 1girl 2boys aino_itsuki arm_at_side black_hair blue_eyes blue_hair blue_serafuku blue_skirt hair_ornament hair_over_one_eye hairclip hand_up highres holding holding_pen light_blue_hair long_hair long_sleeves muaikibaki multiple_boys neckerchief orange_eyes pants pen red_hair robot ruler sasaki_teppei school_uniform serafuku shirt skirt smiley_face time_paradox_ghostwriter white_shirt|16516967805