A brutal murder happens by a river on May 5th.

Two geniuses cross paths again: a relentless detective and a reclusive mathematics teacher.

Who is the murderer?

THE DEVOTION
OF
S U S P E C T  X

There's a mountain. I've been climbing it for years -- yet I'm still lost, wandering around, searching for an exit. No matter what I do, I can't seem to find it.

Do you understand what that feels like?

Jung Daehyun (32)

Kim Himchan (32)

Yoo Youngjae (31)

To solve the problem, you have to understand first what the real problem is.

Genre: Mystery, Romance
Pairings: Daehyun/Himchan (friendship), Daehyun/Youngjae, Jaebum/Youngjae
Based on the 2017 Chinese movie The Devotion of Suspect X.