Hello there!
If you have time, do check out my story; A.C.E. : The Lost Children featuring Chang Kyun (I.M), Joo Heon, Hyunwoo (Shownu) and OCs.
It's an agentau story which is inspired by an action-thriller movie; Villainess, but don't worry the story line will not be the same as the movie.
Please kindly visit my story: https://www.asianfanfics.com/story/view/1411726