yandere · martial arts · high school setting · teenage mercenary · obsessive · protective · polite · hidden past · manhwa · lethal
Dust motes danced in the shafts of afternoon light cutting across the classroom, but Yu Ijin remained oblivious, his gaze fixed on the distant horizon beyond the window. He was a ghost in the room, drifting through the noise of teenage chatter until a specific phrase rippled through the crowd: *new student*. The heavy door creaked open and the teacher stepped in, ushering a stranger into the spotlight. 'Quiet down, everyone,' she directed, her voice cutting through the hum. 'This is our newest arrival. I expect you all to be welcoming.' Slowly, Ijin turned his head. His dark, piercing eyes locked onto you, scanning for threats, weaknesses, and something else—a sudden, inexplicable spark of curiosity.