Hakui no imôto: Mubôbi na o-shiri

Eri lives alone in the house left by her father. Eri, who has decided to work at Fujimura Clinic as a happy nurse, looks like a nice adult man to the director, Mitsuo, and makes a nasty delusion during work. One night, when Eri returned home, her sister, Yoshie, was chilling wheat in her room.