In Dreams, I Should Know the Way Back

After an accident, the girl An Ning had been infatuated with since his youth died. Unable to escape his guilt, he was at a loss when the dead girl's younger sister announced she was leaving the city where they'd grown up together. How could An Ning bear to let the girl who had been by his side throughout his youth leave? So he followed in her footsteps, traveling all the way to S City…