Lunhui Zhi Yao

When a terrible disaster struck their school, Zong Luofeng was out sick and avoided the worst. But his best friend Lu Yun and secret crush Chen Yao both died in the incident. He was feeling down on himself when he was suddenly pulled into a time loop! Returned to the time before the tragedy, seeing everyone alive again… can he change the ending this time? (Source: Kuaikan, translated)