Rule 34 Dev - 2015 ass ass_up balls biting_lip black_hair bubble cloven_hooves demon dodedo erection fetlocks girly hair holding_penis hooves humanoid humanoid_penis incubus ink jar long_ears long_hair long_tail looking_at_viewer lying male markings micro on_back pen penis raised_leg red_sclera red_skin slit_pupils smirk solo underwater water yellow_eyes|1986629144