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anthro anus black_hair blue_body blue_fur body_size_growth breasts butt canid canine canis comic dialogue dragon duo english_text erection expansion female fur genital_expansion genitals geordie_79 grey_body grey_scales growth hair hi_res humanoid_genitalia humanoid_penis kallies_(geordie_79)katfishcom lying male male/female mammal mythological_creature mythological_scalie mythology nipples on_back penetration penile penile_penetration penis penis_expansion penis_in_vagina presenting presenting_hindquarters scales scalie shallow_penetration size_transformation speech_bubble tail text transformation vaginal vaginal_penetration vulva wingless_dragon wolf