The game’s plot, which the manga follows closely, centers on the protagonist, (檻原智樹). He is sent by his wealthy father to a deserted island near Okinawa (specifically near the tourist island of Mizu Island) under the guise of a land development project. In reality, Tomoki uses the island as a "natural prison" to capture men, including local police officers and tourists, chaining them up for his own sexual sadism and enslavement. His personal secretary, Koyanagi Yuzo (小柳勇造), a devoted and capable masochist, assists him in managing the island and breaking the will of his captives.
Approximately 200,000 women and girls from across Japanese-occupied territories, including some from Okinawa, were forcibly drafted into military brothels known as "comfort stations," and this issue remains a source of international controversy. okinawa slave island manga
In 2022, creator Go Fujimoto successfully funded a Kickstarter project to support the series, raising over ¥1.1 million . The game’s plot, which the manga follows closely,