Rule 34 Dev - 1girl all_fours ass black_serafuku blush closed_mouth grey_background grey_hair grey_thighhighs highres long_hair looking_at_viewer manatsuki_manata messy_hair no_game_no_life sailor_collar school_uniform serafuku shiro_(no_game_no_life) simple_background solo thighhighs yellow_eyes zettai_ryouiki|20882424069