Rule 34 Dev - 10s 1girl adjusting_goggles belt blouse blue_hair collared_shirt earrings female_focus goggles green_eyes hand_on_goggles jewelry kyousougiga lab_coat looking_at_viewer matsutake_(nodamiki) mole necktie open_mouth ponytail professor_shouko school_uniform serafuku shirt simple_background skirt solo white_background white_shirt|3543948837