There is a strange epidemic at the local hospital. For some reason, the nurses are feeling an uncontrollable urge to fuck. Patients, doctors, other nurses, it's all on the menu.
Eishun's busty, tsundere childhood friend, Kiriha, becomes his personal maid. After secretly taking pictures of her in her maid outfit, Eishun ends up getting caught masturbating to them by Kiriha.