Set in Korea

Chan: survivor (radioactivity green class)
Minho: survivor (can summon demons green class)
Changbin: survivor (wind manipulation red class)
Hyunjin: survivor (tension manipulation red class)
Jisung: survivor (emotion manipulation amber class)
Felix: survivor (siren voice amber class)
Seungmin: survivor and actually a prince (time manipulation green class)
Jeongin: immune?? (no, actually hes a surivor, love manipulation amber class) 