Cheng Yibo likes a girl, but he doesn't dare to act. Until a man appeared, he felt a sense of crisis, and then he took action. He captured that man and became the girl's "sister-in-law"
Cheng Yibo fell in love with the two Mu brothers and sisters. It didn't matter. One more sister, but the other one wasn't much, because he became his.
Intention: It's always been you