Identify mc was a nerd before but got a glowup in intro(Solved)

[Yoshi55]

I need help to find a game Where The Mc was a nerd but trained himself
so that even his mother was hardly recognized him he also has a sister
after that he goes to school and has a conflict with a bully has someone an idea what its called?

 

[Mario4don]

Description fits the game Peaceful Life only that unfortunately in this game we do not have any incest.

 

[Yoshi55]

Description fits the game Peaceful Life only that unfortunately in this game we do not have any incest.

thank youuuu i forgot the name and couldnt find it for so lomg