Nyuugaku Youhei

When a former mercenary finds himself discharged and adrift, a bizarre new mission unexpectedly arises: infiltrate a high school. Tasked with protecting a chairman's son from relentless bullying, he must trade his combat fatigues for a school uniform and navigate the treacherous social battlegrounds of adolescence. It’s a stark contrast to his previous life, where the stakes were life and death, but this new assignment proves just as fraught with peril. Unaccustomed to the nuances of civilian life, let alone the intricate politics of high school, our hero quickly learns that his martial arts prowess might not be enough to combat the emotional and psychological warfare waged by bullies. As he blends into the student body, he’ll need to adapt his unique skills and unwavering resolve to protect the innocent, all while perhaps finding an unexpected path to romance amidst the chaos.

✦ AI-drafted summary