Rule 34 Dev - 00s 1boy 1girl annoyed brown_eyes brown_hair child closed_eyes desk drill_hair eraser grin kogure_kakeru minawa mouse_(animal) mr._flat my_melody onegai_my_melody pencil playing_with_another's_hair sanrio school_uniform serafuku smile sweater_vest twin_drills twintails yumeno_uta|200383443