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anal anal_penetration animal_humanoid anus astolfo_(fate)balls blush bodily_fluids butt cat_humanoid clothing crossover duo erection exhibitionism fate_(series)felid felid_humanoid feline feline_humanoid femboy ferris_argyle fur genitals hair hi_res human human_on_humanoid human_penetrating human_penetrating_humanoid human_penetrating_male humanoid humanoid_penetrated interspecies josou_seme light_body light_skin long_hair male male/male male_on_human male_on_humanoid male_penetrated male_penetrating male_penetrating_humanoid male_penetrating_male mammal mammal_humanoid penetration penile penile_penetration penis penis_in_ass re:zero seraziel sex short_hair signature sweat type-moon vein veiny_penis