Summary
Im Dajun, once cast aside by his own kin, now leads a band of runaways. By chance, he brings Yeonwoo into their midst, unknowingly setting off a chain of explosive events. Yeonwoo unleashes a wave of violence across Incheon, driven by a thirst for vengeance against a powerful chaebol chairman. Standing in his path is Yoon Gamin, an elite student with a promising future. All the while, Nahwajin from the School Authority Protection Bureau observes the escalating conflict with keen interest. This marks the first major crossover within the Blue String Universe, uniting key figures from True Education, Study Group, and How to Fight in an epic confrontation. Witness a fierce battle that unfolds beyond the pages of their individual tales.