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2013 2koma alpha_channel animal_crossing anthro bottomless canid canine canis cervical_contact clothed clothing comic domestic_dog duo erection eyewear female female_penetrated from_behind_position genitals glasses hi_res human human_on_anthro instant_loss_2koma internal interspecies isabelle_(animal_crossing)male male/female male_penetrating male_penetrating_female mammal minus8 nintendo open_mouth panties panties_down partially_clothed penetration penile penile_penetration penis penis_in_vagina sex shih_tzu toy_dog underwear underwear_down vaginal vaginal_canal vaginal_penetration villager_(animal_crossing)vulva