Nyuugaku Youhei

Synopsis

Orphaned by a plane crash at eight, Yu Ijin transformed into a deadly mercenary over a decade. His exceptional combat skills were honed through survival in a harsh environment. A chance encounter with South Korean soldiers leads him to reunite with his younger sister, Dayun, and grandfather. Returning to his homeland, Ijin must navigate the unfamiliar world of high school, facing bullies and forming bonds. Yet, his past as a warrior looms, forcing him to employ his lethal expertise to safeguard his newfound family.