2018 anthro anthro_on_anthro bowser canine comic crossover dialogue duo edging elfein english_text erection fox fox_mccloud gay handjob humanoid_penis koopa male male_only male_urethral_insertion mammal mario_(series) nintendo orgasm_denial penetration penis scalie sex star_fox super_mario_bros. text uncut urethral urethral_insertion urethral_penetration video_games yaoi