Love in the Lonely City

There is a city called Lonely City; There is a man named Qingyu; There is a flower called the night-blooming cereus… How much love can withstand a night of turning white-haired? How much hatred can endure until seas run dry and stones crumble? How long can waiting last until the end of time? Looking back, he was still standing where he had always stood, waiting for her return…