The hit series from EunSong returns with officially updated artwork, chapters, and additional scenes! With the sudden outbreak of a deadly virus, humanity is thrown into chaos. The few who survive it are either transformed into horrible cannibalistic creatures called "Worms," or super-humans called "Anomalies." Haru, a young Anomaly student at New Seoul High School, dreams of joining the prestigious "ISO" - an organization formed to fight the war against this virus. But the future in store for him is nothing like he imagined...