Kanna, a career woman who works for a major company, is well-liked within the company and is seen as a gentle person because she is always smiling, but in reality she is so powerful that she cannot maintain her ego unless she masturbates. He had a strong sexual desire. Ena, a junior at the company who missed the last train, suddenly comes to the frustrated monster created by years of masturbation brainwashing and decides to stay the night in a semi-compulsive way... suddenly forced to abstain from a shared room without an appointment. Kanna was able to resist masturbation due to this, but she gradually lost her reason and started masturbating with her junior's personal belongings...