Rule 34 Dev - 3boys artist_signature blush bone bones crying crying_with_eyes_open dacryphilia double_penetration ectoplasm fire fire_magic gangbang gay glasses grillby incest kneeling magic male male/male/male male_only maledom malesub monster monster_boy necrophilia papyrus penetration possible_rape questionable_anatomy questionable_consent sandwich_position sandwiched sans skeleton skull smaller_sub smaller_submissive sweat undertale|5182567184