Responses
After killing you
The Pawns Revenge
Lost in the cloud
Killing stalking
Warehouse
Check mate
Tree Without Roots
Hwang Young's Misery
The Black Mirror
Stigma
Red mansion
...just casually dropping my freaks
https://www.mangago.me/read-manga/no_return_after_use/
An unsettling scent
Are there any bl manhwas where both characters are mentally insane (preferably if both characters are beefy)