In our youthful years, would there always be such a person?
He is the troublemaker in the class but is also favored by the teacher. He always uses his cleverness to play pranks and has a vicious mouth, but he will appear at a certain moment when you need him.
At a certain moment, you really hope that he will stay far away from you and not even interact with you.
He just silently guards you where you can't see him, and you don't realize it until one day when he loses you.
It turns out that he has always been by your side...