After surviving a decade as a child mercenary, I-Jin Yu returns home to Korea to reunite with his family. He soon discovers that navigating the complexities of high school is his most dangerous mission yet.

I-Jin struggles to trade his combat instincts for a peaceful civilian life while protecting his newfound family. Faced with bullies and societal pressures, he must apply his specialized tactical training to the hallways of his school.

The veteran soldier quickly realizes that surviving a classroom is far more difficult than any battlefield. As he adapts to his environment, the high school becomes a challenging arena where his unconventional methods are put to the test.

I-Jin Yu returns home after ten years of combat to navigate high school in this action-packed series. Read Teenage Mercenary chapters online.

Teenage Mercenary, I-Jin Yu, WEBTOON, action, drama, Korea, school, mercenary, survival, read manga online