Mathematics genius Shen Su is trapped in an infinite mirror corridor. Every time he dies, the cycle will be reset the moment a dagger pierces his heart. In his seventh reincarnation, he met Lu Yan, a young man whose shirt was bleeding. He used topological formulas to solve the puzzle. When his fingertips touched the scar on his collarbone, the smell of cedar and rust quietly intertwined. As the cycle progressed, Shen Su discovered that the pocket watch was bleeding when he was about to die, and the case was engraved with "Time is poured with blood." The scene of the car accident reflected in the golden light of Lu Yan's right eye reveals the truth: six-year-old Shen Su stood in the rain of glass holding a blood-stained pocket watch. The hands of the watch were reversed to September 12, 2003 - the date of Lu Yan's death in the car accident. When the top-level puzzle was about to be solved, Shen Su stuffed the pocket watch into Lu Yan's palm. The small writing on the watch "For Lu Yan in the future" hinted at the entanglement of time and space. The moment the dagger pierced his heart, the building collapsed, but Lu Yan was shocked to realize that his pocket watch was still reversing time. He traced the old scar on his collarbone to actually be glass fragments from a car accident ten years ago. It turns out that this is a patch woven by fate: every time Shen Su dies and resets, he is filling the cracks in Lu Yan's memory. The price of tampering with time is that he gradually disappears transparently. When the building was annihilated, the system's mechanical sound finally calculated the eternal moment - the differential equation of the two people's first encounter returned to zero, and the game of life and death completed the soul.
Intention: To prove love through death and to break the human nature