Rule 34 Dev - 1boy 1girl bad_id bad_twitter_id black_hair blue_eyes bottomless cardigan clothed_sex gridman_universe hetero long_hair lying mask mobu mouth_mask on_stomach prone_bone recording red_neckwear school_uniform sex sex_from_behind ssss.gridman surgical_mask sweater takarada_rikka v white_cardigan white_sweater|11652774822