Rule 34 Dev - 2010s 2016 2boys 2d animated_skeleton bigger_dom bigger_dom_smaller_sub bigger_male black_body black_penis black_tentacles blue_blush blue_body blue_penis blue_tongue blush bottom_sans bottomless clothed digital_media drooling ectobody ectopenis ectoplasm goo grabbing_chin grabbing_face grabbing_own_penis gradient_background grey_background half-closed_eyes holding_own_penis hooded_jacket hoodie jacket larger_male male male/male male_only maledom malesub partially_clothed partially_nude penis precum safetytrance sans_(undertale) sanster skeleton small_sub small_sub_big_dom smaller_male smaller_sub smaller_sub_bigger_dom sweat tentacle tentacle_on_male tentacle_under_clothes tentacles tentacles_around_arms tentacles_around_legs tentacles_on_male tongue tongue_out uke_sans undead undertale undertale_(series) video_games w.d._gaster yaoi|1016011

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