Go Back and Save You

On the graduation night of his senior year of high school, Chen Yushi held a love letter in his hand, but he witnessed his beloved girl Lin Shuangyou being killed with a knife. Chen Yushi, who witnessed everything, was also discovered by the murderer, and he also died on this rainy night. When he opened his eyes again and returned to the beginning of his third year of high school, the hideous wound on his chest told him that all this was real. Recalling death? Or some kind of superpower? In short, when he comes back this time, he wants to find out all the truth and solve all the mysteries about Lin Shuangyou.