Overview: The third nurse with the worst personality is Yamaguchi, the abusive nurse. Yamada’s overwhelmed by the violent behavior of his ex-Yankee girlfriend. Even so, he thought that it was better than mental torture, but for a while, was at the mercy of so many semen extraction machines that Yamaguchi brought in. However, there is a certain "change" in Yamaguchi. "You have such courage! If you want to ejaculate that much, let me do it!"