In "Xinhai City" where memories can be stripped away and traded, a man code-named "Zero" wakes up in a man-made oblivion. His only clue is an unreadable ginkgo leaf chip. In order to find the answer to "Who am I?", He stepped into the mysterious "Shiomi Memory Pawn Shop" and reached a deal with the mysterious female shopkeeper Shio. However, when the fragments of memory were pieced together one by one, he discovered that his past was not only an expensive commodity, but also a huge conspiracy that could subvert the entire city. Is he the prey or the hunter?
