The Strongest Assassin Levels up in Another World

Synopsis

Stranded in a perilous underworld after a bizarre graduation trip, a group of college students faces a deadly challenge: level up or never return home. Each bus stop plunges them into treacherous new realms filled with countless dangers, from serene Chinese gardens to statue-filled cities and dense jungles. Unbeknownst to his classmates, Nanase Saku, the seemingly goofy student among them, is actually the dark web's number one assassin. Forced to reveal his hidden skills in this high-stakes survival game, he must carve a path through impossible trials. Can even the world's deadliest killer protect his friends and uncover the secrets of this twisted reality, or will this graduation trip become their final destination?