Okuyama was going to Yuichi's house for the first time. Casually stepping over the threshold of Yuichi's home, he saw a scene that made him question his eyes! As he opened the front door, there were sanitary products casually placed there. Then, Yuichi's mother, Yukiko, greeted Okuyama without a bra. Although Okuyama was slightly bewildered by the unusual family environment, after seeing Yukiko boldly masturbating, he understood everything. 'Yuichi's mom has a screwed-up sense of chastity.'
