Enter the 24th Ward, a man-made island inside Tokyo Bay. Three of its inhabitants: Shuuta, Ran, and Kouki, have been best friends since childhood, but after a deadly incident, everything changed.

A year later, reunited for the first time, they receive a mysterious phone call. On the other line is a familiar voice—from a friend who's supposed to be dead. Together, they'll have to save their home.

Source: Funimation

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