"Hey, try holding back and having intense sex? That way, your sperm might get thicker, and you might be able to have a baby." A couple struggling with infertility, Toshio and Ayu. At Ayu's suggestion, they decided to abstain from sex for a month. However, Toshio was not only forbidden from having sex but also from masturbating. After a week, he started to feel restless and got an erection. "Can I hold back?" Toshio worried, but what he should really be concerned about was the presence of Ayu's mother, Yumi, who lived with them.
