The world is set on modern. Peaceful until Sajaegis started to rise thus making trouble everywhere and no one knows how to deal with it until Dahyun, set off on a mission to find the retired heroes and seek help/convince them to fight again.       Sajaegis: [A/D: Are subterrenean monsters born from the malicious intent dusts that came out of a meteor/comet.]       A Kim Dahyun centered story.    ||STRICTLY NO BTSx