Agui, a low-level young and Dangerous boy, was silenced on a chaotic night when a gang leader was assassinated, but he accidentally fell into a time loop and was trapped on the seventh day before the incident. In this infinite "seven-day sentence", he must grow from a chess piece that is sacrificed at will to a chess player with insight into the overall situation, uncover a shocking conspiracy intertwined with betrayal, loyalty and huge interests, and determine the future of the entire gang.
