Chao Jin has lost his mother since he was a child, his father doesn't love him, and his grandfather loves him but doesn't know how to express it.
Chaojin suffers from emotional deficit disorder.
One day, a guy who called himself System asked him if he was willing to accept the binding, travel to different worlds, play different roles, and experience different lives. The reward was to inject human emotions into Chaohan.
Chao Jin grinned and agreed.
Intention: To love and be loved