Rule 34 Dev - 1:1 1:1_aspect_ratio 1boy 2023 2d animated_skeleton artist_name bathing bathroom bathtub blue_blush blue_cum blue_penis blush bubble_bath comic_sans covering_mouth covering_own_mouth cum cumshot digital_media door ectopenis ejaculation english_text fallen_ghost_angel_(artist) genitals humanoid male male_masturbation male_only masturbation monster monster_boy papyrus_(font) papyrus_(undertale) penile penile_masturbation penis profanity sans_(undertale) sequential skeleton solo_focus solo_male speech_bubble surprised text undead undertale undertale_(series) unseen_character variant_set video_game_character video_games|1025782