The corruption of the Decaying Immortal Realm has arrived, and the world has become bizarre as hell. Familiar alleys hide strange things, and there is static beneath the laughter. Li Chang'an is terribly unlucky: a “lodger” has moved into his body.
“Chang'an... accept me.” That thing mutters in his head every day. Even more terrifying, he loses control. When Li Chang'an opens his eyes again, he nearly goes mad: his own hands and mouth are moving against his will, making strange sounds that are half sobs and half laughter as they ravenously devour his parents' bodies! One second it's home, the next it's a scene straight from hell.
As he's arrested, the handcuffs are cold. The screams around him and the strange phenomena of the Decaying Immortal blur into the background. Li Chang'an stares blankly, repeating a single sentence that feels grotesquely out of place amid the bloodshed: “Mom... Dad... you promised me a birthday cake... We haven't cut it yet...”