His life changes when he receives a specific request from the chief of , a secluded location colloquially known as "Childbearing Island". The island faces a dire population crisis: due to centuries of isolation, the local gene pool has become dangerously insular, and the quality of genes among the male population has deteriorated. The Biological "Secret"
What sets the women of Ushihi Island apart is a peculiar evolutionary trait: they have developed a constitution that allows them to . Because of this unique biology, the island has thrived for hundreds of years, but now requires "outsider DNA" to survive. Seiichi is brought in to serve as the island's primary inseminator, tasked with ensuring the continuation of their society. Key Characters koumijima shuu 7 de umeru mesutachi best
Are you interested in exploring or would you like more details on the original manga source material? Koumi-jima Shuu 7 de Umeru Mesu-tachi (2023) - TMDB His life changes when he receives a specific