Hear the Throbbing of Time

Synopsis

At that time, youth was dazzling, it was the perfect time. Cheng Xu and Su An walked together riding their bamboo sticks and watching their teenage years pass while they were unaware of time. However, an accident took Cheng Xu's life and Su An's happiness in life. Cheng Xu left, but life still goes on. A year later, Su An entered high school, and the new transfer student who just entered the classroom with the teacher turns out to be exactly the same as Cheng Xu! Same face, different personality. Are they the same person?