This was a wild ride.
It had a slow start and a fast end.
The build up takes forever, he draws, something happens, cops ask him stuff, he lies and so on...

Story
There are a few plot twists and anyone who watches this type of movies can predict what they are. Plus we get a bunch of hints through the movie, it's pretty obvious what will happen.
That doesn't make it less interesting.
There are a lot of graphic scenes and blood. It's a story about murder after all. The blood is everywhere.

- Yamashiro Keigo, the manga artist. He is a good person but not completely. How could he draw all those things if he didn't have a little darkness in him.
He is a coward and he does some stupid things but he pays for them. I felt sorry for him because the psycho killer was following him and he felt like everything was his fault.

- Morozumi, the killer. Welp. He definitely had something in his eyes. I wondered why those people stopped and gave him a ride. They were too friendly to someone in the middle of nowhere.
He read the manga and then made it happen. Obviously he has some issues but they weren't shown directly, it was mostly hinted why he is doing what he is doing. I wish we saw more of his reasoning and motivation. I feel like he could have been developed more.

- Seida, the detective and my favorite character. At first I thought he would be the typical detective they show in movies but he wasn't. He followed clues and listened to what other people say to him. He was Keigo's fan and he believed him and tried to help him.

The characters are great and the concept is great but I feel like something is missing and I don't know what.

Overall, an interesting movie.