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anthro areola arms_tied back_groove bare_breasts big_breasts big_penis black_collar bodily_fluids bound breasts collar collar_only color_edit colored crying fall_of_equestria female front_view fully_bound genitals group half-erect hi_res legs_tied male male/female matsumoto-masato nipples nude penis plant rear_view restraints sex_slave slave tears third-party_edit tree tree_bondage trio vulva