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anal anal_penetration animal_genitalia anthro anthro_on_anthro anvil_position ass_up balls bed bodily_fluids candle chastity_cage chastity_device claws collar collar_only duo eyes_closed eyewear fluffy from_front_position fully_sheathed furniture genital_fluids genitals glasses indoor_nudity indoor_sex inside interspecies leg_wrap legs_up lying male male/male male_penetrated male_penetrating male_penetrating_male mammal mouse murid murine mustelid musteline nude on_back on_bed over_sheath_chastity_cage penetration precum predator/prey rodent ruaidri sex sheath sheath_chastity_cage sheathed_while_penetrated solid_chastity_cage stoat tail toe_claws true_musteline wearing_chastity_cage wearing_chastity_device weasel