Natsuki Gets Horny

Yosuke has been hired as a male nurse for a hospital that is isolated from society. During the day, he, along with the female staff, maintain the grounds fairly well and take care of the elderly residents. At night, however, bizarre music plays through the speakers and causes Yosuke and the female nurses to become overwhelmed with sexual desires. Yosuke tries to find the secrets of the hospital while also suffering from the music.