The River of Ashes: Looking for the Lamp

A girl who was missing a soul met a boy who was willing to completely disappear from the world for her. In "Suijindu", he exchanged his existence for her life - no one remembered him from then on, not even her. But the light on the door frame of Cuiping Inn has always been on: someone has forgotten why, but it has been wiped off from generation to generation.