The franchise originated as a (independently published manga) created by the artist/circle Aomizuan . The original manga established the "island of fertility" trope and the specific character designs that would later be adapted into other formats. Anime (OVA)

A Live2D game released on platforms like Steam in October 2025.

(also known as Island of Childbearing: Where Women Give Birth After 7 Weeks ) is a Japanese adult media franchise that spans manga, anime, and interactive games. The series centers on a unique fantasy premise set on a remote island and has gained attention for its distinct art style and specific thematic tropes. Core Premise and Story

The episodes are roughly 15 minutes each and focus on the teacher's encounters with various island inhabitants. Interactive Games

Episode 1 premiered in February 2023, followed by Episode 2 in May 2023. Director: Directed by Mozou (揉蔵).

The island's culture is built around a supernatural or biological anomaly: for generations, the women there have been able to carry and deliver healthy infants in just one to seven weeks. Upon arrival, Seiichi is requested by the island's head to take on the role of the "head inseminator" to help maintain the population, leading to the various adult-oriented scenarios the series is known for. Media Adaptations Manga and Original Work