A smart high schooler that climbs his way to the top from bullies in order to avenge his friend (attempted suicide) when there is an organization that has branches of the gang. On top being a prodigal boss
A dumb but trying student that wants to reach top grades, but he is the rank climbing powerful "monster" that defeats each opponent from a corrupt school-gang system.
An imperfect, unhappy boy transfers to a new school from his constant bullying while maintaining (switching) a double perfect handsome body of his.
Day - handsome, perfect fighting (school)
Night - imperfect (working)
Big character development
Before his previous life, he failed in studies and in medicine, where he dies with regret and burden others
Now with his new life he becomes a changed man, a prodigy in medicine, while tiring to avoid the his previous mishappens (his career). While his rival seeks to defeat him.
Two personalities.
Glasses: weak, bread boy
Glasses off: the golden vision, the strongest hero
Weak Hero