Although the main character, Haruhata, was the son of a hospital director, he lost his mother at an early age and was subsequently taken in by Kusumi Hospital. As the director's son, he was forced to live in a private room in the ward. Perhaps thinking of his son who had such a conflicted life, the director, Harukei Kusumi, who is an authority on neurosurgery, orders the nurses to become Haruhata's sex slaves. And the relationship between Haruhata and the girls, who are unaware of this fact...! ?