To play the game, you must be an “All-Mate” (an AI that usually appears like the appearance of a pet) and the game must be managed with the game’s “Usui.”Īoba Seragaki doesn’t have a keen interest in playing either of the games. Rib is a traditional game where gangs compete in turf wars with one another, while Rhyme is an advanced game in which players fight in virtual real-time battles. “Rib” and “Rhyme” are the most played games that are played on the islands. The first residents of the island, on the other hand, were forced to relocate to the Old Residential District, and after the closure of Platinum Jail, they were removed from the island. People who are fortunate enough to live there are among the richest people in the world. bought the island of Midorijima, Japan, to build Platinum Jail, a luxury utopian institution. In the past, the powerful and influential Toue Inc.