In Shizume city there's a legend about a red king with demon-like abilities that single-handendly created the Homra organization, as long as you get accepted into Homra, you can gain extraordinary powers.

Related:

> K -Days of Blue- ( https://bato.to/comic/_/comics/k-days-of-blue-r10315 )
> K - stray dog story ( https://bato.to/comic/_/comics/k-stray-dog-story-r7384 )
> K -The First- ( https://bato.to/comic/_/comics/k-the-first-r10659 )
> K -Lost Small World- ( https://bato.to/comic/_/comics/k-lost-small-world-r12449 )