FURVERT!

abs absurd_res against_surface age_difference anal anal_penetration ancestor_penetrating_descendant anthro ass_up black_body black_eyes bone canid canine canis clothed clothing dark_body dark_fur demon dominant duo eye_contact fire from_behind_position fur genitals glowing glowing_body glowing_eyes hair hi_res hybrid internal isaaac_owo isaac_wolk jockstrap jockstrap_only larger_dom looking_at_another magic male male/male mammal monster muscular nipples penetration penis red_body red_hair ritual ritual_sex sex size_difference skull skull_head skull_tail spine submissive submissive_male tongue topless translucent translucent_body translucent_hair translucent_penis underwear underwear_only vein veiny_muscles veiny_penis wolf