From a remote town to a coastal city, fifteen-year-old Jiang Yu carried an old suitcase and opened the door to a place called "home."
Under a roof in a strange land, a boy and a girl with no blood ties grew up side by side.
It was a bond of mutual care beneath an unfamiliar roof, a concern stronger than family ties, and a lonely planet that had wandered for so long finally finding its own light.
Theme: He is driftwood adrift, and she is the only shore.
