Throughout the series, our heroes navigate their relationships, island life, and of course, the frequent "burying" sessions that often get out of hand. With plenty of comedic moments, ecchi humor, and heartwarming interactions, Koumijima Shuu 7 de Umeru Mesutachi promises to deliver a lighthearted and entertaining experience.

The story follows , a single high school teacher who seeks an escape from his mundane daily life. His journey leads him to Ushiha Island , a remote paradise shrouded in local legend and known informally as the "Island of Childbearing".

Each in-game week (7 days), the player must to the female characters ( Mesutachi ) on Koumijima. Failure to fill the weekly quota resets progress or triggers a penalty (narrative or mechanical).

The story takes place on the fictional island of Koumijima, where seven princes, known as the "Koumijima Shuu 7," are said to have been buried alive. The main character, Akira Nakanishi, is a young woman who returns to her hometown on Koumijima after her mother's death. She discovers that her mother had been investigating the legend of the seven princes and decides to continue her research.

Given the information: