Nanako is a nurse who has feelings for a psychiatrist who works to care for the Kokoro health of patients, but one night during her shift, she suddenly loses consciousness and wakes up to find herself being played with and raped by men. It was an unrealistic experience, but she becomes suspicious and consults the doctor, who tells her to be bold in her dreams. Nanako trusts the doctor, and every night, in a mysterious dream world, she indulges in lewd acts with the men...