Rule 34 Dev - 1:1 1:1_aspect_ratio 1boy 2010s 2d animated_skeleton arm_support artist_name blue_hoodie blue_jacket blue_tongue bottomless bottomless_male digital_media_(artwork) ectotongue hooded_jacket hoodie humanoid jacket male male_masturbation male_only masturbating_with_clothes masturbation monster off_shoulder off_shoulders one_eye_closed partially_clothed ryokutya1107 sans sans_(undertale) simple_background sitting skeleton sock sock_on_penis socks solo_male tongue tongue_out topwear topwear_only undead undertale undertale_(series) white_background|1027279