1boy, 1girl, animal_ears, belt, belt_collar, blush, body_writing, breasts, brown_eyes, brown_hair, cat_ears, collar, completely_nude, fake_animal_ears, fat, fat_man, hetero, highres, holding, holding_leash, large_breasts, leash, leash_pull, navel, nipples, nude, open_mouth, otonari_no_tenshi-sama_ni_itsu_no_mani_ka_dame_ningen_ni_sarete_ita_ken, red_belt, sex, sex_from_behind, shiina_mahiru_(otonari_no_tenshi-sama), sign, sincos, sweat, tally, tongue, tongue_out, trembling