Unable to suppress her desire to be with the person she loves, Yuna goes against the opposition of those around her and marries a man with a child. - As expected, his son-in-law, Kazuya, is unable to open up to him and spends his days suffering. - One day, he witnesses Kazuya masturbating. - If you ask me, it seems like she's still a virgin and doesn't know anything about women. - Yuna feels sorry for him since he's a man, but thinks it might be a good chance to become friends with him, so she takes a bold step.