Some similar manga could be 'Dogs: Bullets & Carnage' and 'Tokyo Ghoul'. They both have elements of dark and intense themes.
If you're looking for manga like Killing Stalking, 'Deadman Wonderland' and 'Gantz' could be worth checking out. They feature gritty and violent aspects along with psychological elements.
Well, 'Dogs: Bullets & Carnage' has a similar dark and intense tone. The characters and storylines have that edge that might appeal if you like Killing Stalking.
You could check out 'Parasyte'. It has a similar level of suspense and mystery. The storylines keep you on the edge of your seat, much like 'Killing Stalking'. However, the genres might differ slightly.
Try 'Parasyte'. It has elements of horror and psychological drama that can give you a similar kind of thrill as Killing Stalking. The story is engaging and full of unexpected twists.
I'm not sure if there are direct equivalents. But some manga in the thriller or horror genres might have similar elements of suspense and intensity.
You might want to check out 'Tokyo Ghoul'. It has a lot of psychological elements and complex character development, similar to what you find in 'Killing Stalking'.
I'd recommend 'Dogs: Bullets & Carnage'. It has a similar dark and intense atmosphere as 'Killing Stalking'.
There are a few like 'Citrus' which has similar intense emotions and complex relationships.
Killing Stalking exists in both manga and anime forms. The manga provided the basis for the anime adaptation. However, both have their unique characteristics and might appeal differently to viewers depending on their preferences.
Killing Stalking exists in both forms. The manga came first, and later it was adapted into an anime. But be cautious as the themes and scenes can be quite disturbing.