Rule 34 Dev - 2019 abstract anal anal_sex balls ballsack being_watched biped blue_skin demon erection eyeless foreskin fundles gay ghoul group horror humanoid humanoid_penis humanoid_pointy_ears incubus intact long_foreskin looking_at_another male male/male male_on_male male_only male_penetrated male_penetrating male_penetrating_male masculine monster nightmare_fuel noseless on_side open_mouth painting_(artwork) pale penetration penis scrotum sex sharp_teeth spoon_position spooning stomach_mouth teeth testicles tongue tongue_out uncut undead unretracted_foreskin veiny_penis white_skin yaoi|3701614480