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anthro anus bed blue_background blush bodily_fluids clothing costume cum erection furniture genital_fluids genitals heart_symbol male masturbation nude open_mouth penile penile_masturbation penis precum semi-anthro simple_background solo star tapering_penis yatosuke the_legendary_starfy_(series) starfy monstar 4:3
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anthro anus backsack balls biped blue_eyes butt crown feet genitals half-erect headgear hindpaw humanoid_genitalia humanoid_penis kneeling looking_at_viewer looking_back male membrane_(anatomy) membranous_wings nude pawpads paws penis penis_backwards perineum presenting presenting_hindquarters solo wings crobat_(artist) dartis_lowtide bat mammal monstar