Lisa was about to give birth and had returned to her parents' home. Kenichi felt inconvenienced but reminisced about his bachelor days, enjoying his solitary life. One day, Lisa's sister Yumiko came to visit him out of concern. "I can handle the household matters, so it's fine," Kenichi refused Yumiko for a reason. He was attracted to her as a woman and wasn't confident he could suppress his instincts. "Aren't you pent up?" Whether or not Yumiko knew about Kenichi's feelings, she said words that could be taken as temptation...
