Reiko, who lost her husband early and has been living alone as an apartment manager. The cheap apartment gained a reputation, eventually becoming a dormitory for exam students. Although she maintains her chastity, her mature body unconsciously seeks men. She had been calming this desire with masturbation every night... One night, the lodgers secretly watched Reiko's lewd behavior. They were enjoying it as a way to release their exam stress, but eventually, they were caught by Reiko…
