A Married Woman Who Received A Duplicate Key To A Room Where She Lived Alone With A Male Student Who Was Nakadashi'd Until He Graduated. Yuna Shiina

My husband has no interest in me... Even when we drink sake together, he just sullenly tips his glass. My husband went home first, and I, left behind, met a student named Yuzuru who was drinking at the next seat... Our distance closed, and I ended up having a relationship with Yuzuru. Then, having received a spare key to his room, I began to look forward to visiting Yuzuru's place using that key. And when he came home, I would repeatedly accept the vigorous sexual desires of young Yuzuru within the limited time we had...