1girl ass barefoot breasts brown_hair buruma claw_pose fang feet foot_focus foot_up full_body green_buruma green_eyes gym_uniform hair_intakes highres light_blush looking_at_viewer medium_breasts oka_asahi onii-chan_wa_oshimai! open_mouth ponzu_rui shirt short_hair short_twintails simple_background sitting smile soles solo star-shaped_pupils star_(symbol) symbol-shaped_pupils toes twintails white_background white_shirt