When Chen Rongqiu gets up, she has a little tail following her. She follows her when she is happy and when she is irritable. She cannot get rid of this sticky candy.
Cheng Yi has liked his sister Rongqiu who has followed him since he was a child. He likes her and follows her when she is happy. She also follows her when she is irritable and displeased. He will stick to her.
Concept: Sibling love is very nice