Isekiscan collab Gang of school

Gang of school, Gaengseukul , Гангстерская школа , 갱스쿨:

A family that collapsed like sand castles in an instant because of their father’s suicide. I became the head of the household, responsible for my mother who had lost her mind and my sister who had to attend a school for the visually impaired. I have to transfer to the best gangster school in Busan to make my own gang for the sake of my family…