AVSA-112 - 30 Days of Chastity Training: The Explosive Release of a Frustrated OL

Reiko is a beautiful, high-achieving office lady working for a top-tier company in Tokyo, but she's stuck with a useless, deadbeat boyfriend named Shigeki who spends his days gambling. Despite his laziness, the submissive Reiko obeys his every whim. One Monday morning, she wakes up to a strange feeling in her crotch, only to discover that her boyfriend has locked her in a chastity belt while she slept.