My moving neighbor is actually my ex-husband?! A voluptuous, perverted wife, Junna Uemura, continues her illicit sexual relationships with her current husband, who desires to be her lover. (SAN-124)

One day, the couple who moved in next door came to visit me. To my surprise, standing there was my ex-wife, Junna, whom I had divorced three years prior. Later, Junna visited me again, dressed provocatively, as if trying to seduce me. I couldn't forget her, and guided by her words, we had sex, even intercourse. A few days later, I met Junna's husband. As I approached, I heard something unbelievable, my heart heavy with grief. He had actually asked me to sleep with his wife. To satisfy his sexual desires, Junna made me hug her several times and brought me to orgasm multiple times. However, this relationship didn't last long. Because the sex tape with Junna was leaked, I lost my job and my friends… I lost everything…