The main reason why Shi Mu was not liked when he was young was that born at a bad time. Moreover, he was mischievous.
There were already three sons in the family and they wanted a cute sister. Unfortunately, the next was a baby boy.
Shi He had raised Shi Mu when he was young. Once Shi Mu caused trouble outside, the first person to stand up and clean up the mess for him would definitely be Shi He.
Because of this, he hit Shi Mu's butt a lot when he was young. However, boys had a rebellious mentality, to begin with. After being beaten up by his brother, Shi Mu's rebellious mentality became stronger and he started to do whatever he wanted.
Shi Mu and Yuan Yi had almost become bullies in kindergarten. Things like pranking classmates and collecting protection fees had become a small matter.