This anthology-style mystery series is part of the D‑5 PROJECT, centered around Detective Office 5 - a long-running private detective agency in Kawasaki. Each detective is known only by a number rather than a name (e.g., Detective 596, 532), with standalone stories featuring different characters and surreal, quirky cases.

In 2010, while covering the issue of the "secret agreement" at the Ministry of Foreign Affairs, the author came across diplomatic documents relating to the reversion of Okinawa and was particularly impressed by the handwritten documents of Kazuo Chiba, then Director of the North American First Division at the Ministry of Foreign Affairs, which, unlike ordinary bureaucrats, "stood out from the crowd and seemed unique". The name of Chiba subsequently appeared in a number of documents left by former Prime Minister Eisaku Sato's secretary, and the author became interested in finding out what kind of person he was.

A high school boy becomes a truant. His teacher Ryota finds many anti-base signs in his house. Ryota and his journalist friends look for dugongs for an article, and happen to know a terrifying ritual of Henoza... where the US Base will be relocated

Nanako returns to her hometown on the tiny island of Aguni to meet her grandmother Nabbie. However, when Nanako's ferry arrives, it is also carrying Nabbie's former lover, who has returned to Aguni after a long absence.

This adventurous story of a boy named Uri and an old man takes place in the cosmic Milky Way where the starfish live. This is the tale of their fantasy journey in search of the mysterious monster fish.

An anthology film consisting of three linked stories by different directors, all set on an Okinawan island. The first story, 'Aunt Reiko' concerns an opera singer who travels back to her home island to consult a spiritualist about the loss of her voice. The second story, 'Haruko & Hideyoshi' concerns an outsider to the island who is tricked into marrying an island girl after visiting the island god of fertility with her. The final story, 'Bomb Kids' concerns two kids in a punk band who set out to win (or steal) a large amount of money. Linking these stories is the ongoing search for an unexploded WWII bomb, a large model pineapple, and the possibility of a hotel development coming to the island...

A woman follows an inner journey from island to island in search of "Pai Pati Roma"