In the story, there is a teacher named Seiichi who has a hobby of having sex. He is asked to move to a place called “Childbirth Island” and help the women there by impregnating them to solve their genetic problem. The women on the island love to please men and have babies, and they are eagerly awaiting Seiichi’s arrival. Seiichi’s sexual skills are crucial to introducing new genes into the island’s population and preventing them from dying out.
However, the story also explores the conflicting emotions of the women on the island. They have a duty to bear children, but they also have their own desires and feelings as individuals. Will Seiichi be able to navigate the complexities of the island’s customs and fulfill his mission?