Nyuugaku Youhei

When a tragic accident leaves Yu Ijin as the sole survivor of a plane crash, his life takes an unexpected turn. Isolated and adrift for a decade, he suddenly finds himself thrust back into civilization, reunited with a family he barely remembers. But the world he returns to is vastly different from the one he left behind, and the quiet normalcy of school life proves to be anything but. Now navigating the complexities of high school, Yu Ijin must reconcile his past with his present, all while grappling with the ingrained survival instincts and formidable skills he acquired during his prolonged absence. As drama unfolds within the school's walls, Ijin's newfound lifestyle is constantly challenged, forcing him to decide just how much of his former self he's willing to reveal to protect those around him.

✦ AI-drafted summary