DANDY-790 Thought there was no one in the mixed bath hot spring, but got made to cum repeatedly by a bisexual sex-crazed woman and her couple, then forcibly taken for a threesome

A couple went to a mixed-bath hot spring and unexpectedly encountered a bisexual sex addict! She was startled when her ass was touched, but she couldn't say anything. Later, while they were in the hot spring together, that woman from earlier showed up again and used her skills to make them both speechless, leading to a 3P dominated by the sex addict! What will happen to the couple whose bodies and hearts have been taken...