Chastity belt abstinence training; 30 days later, open and explosive sex; Reiko Kobayakawa AVSA-112

Reiko, a beautiful and talented office lady working for a listed company, lives with her boyfriend, Shigeki. However, Shigeki doesn't look for work and spends his days beating up pachinko, and the submissive Reiko doesn't react. One day, Reiko wakes up to find a chastity belt inserted into her lower abdomen…