Reiko, a talented and talented office lady who works for a listed company in Tokyo, had a boyfriend named Shigeki who lives with her. He was a pachi-like man who lived on pachislot every day without making his job fragile. Reiko, who has a gentle personality, obediently listened to whatever her boyfriend said. A certain Monday. When Reiko woke up, she felt a sense of discomfort in her lower abdomen. When I wondered what it was and tried to slide the Nemaki, I found that a terrifying "chastity belt" was attached to her crotch ...!