He has always been the little boy brought back by Shi Yan and belongs only to Shi Yan.
He has not been loved since childhood and has become a naughty person, and Shi Yan happens to be a very good guiding lover.
"Xiao Yu, why didn't you tell me when you were in trouble?"
"I don't want to trouble my sister."
"Afraid of bothering me? I want you to need me."
Naughty academic tyrant × guiding female tyrant
Concept: A naughty person needs a lover who can't be pushed away.