Rule 34 Dev - 1boy 2010s 2015 2d 2d_(artwork) anus balls black_hair blush boots digital_media_(artwork) english_text femboy footwear genitals grabbing_own_leg hair hair_over_one_eye high_heel_boots humanoid kelpey leg_lift leg_up legs_spread legs_up male male_only mettaton mettaton_ex penis pink_boots pink_glans pink_high_heel_boots pink_tongue ripped_clothing robot robot_boy robot_humanoid robotic_penis seductive shoes solo_male speech_bubble spread_legs testicle testicles text third-party_source throbbing_penis tongue tongue_out undertale undertale_(series) vibrating_penis video_game_character video_games white_background|1018292