After Midori found out that her husband had a secret child, her relationship with him had cooled. They didn't like to be alone with each other, so they welcomed guests. Today, Abe, a resident of the apartment they run together, came over and was drinking with her husband. Her husband got drunk and fell asleep. Midori took the opportunity to have sex with Abe. They had been having a relationship for six months without her husband's knowledge. However, this lifestyle didn't last long. Abe moved in with his son and his wife. Once the fire is lit, it's hard to put it out. Then, a young man who lives in the apartment came to ask about the rent...