FURVERT!

1:1 2020 3_heads absurd_res alan_sylvasta all_fours anal anal_penetration anthro ass_up brand_new_animal canid canid_demon canine canis cerberus crazydrak demon doggystyle dominant duo european_mythology from_behind_position greek_mythology heart_symbol hellhound hi_res larger_dom line_art looking_pleasured male male/male male_penetrated male_penetrating male_penetrating_male mammal multi_head mythological_canine mythological_creature mythology nude penetration sex shirou_ogami size_difference smaller_penetrated studio_trigger tail text tongue tongue_out wolf