That's debatable. I know how most people want a happy ending, but I feel the ending should have remained true to the original. However, the Mimics were better in the live action.
All You Need is Kill. They made a live action version of this one and screwed up the story and changed the name. The movie has Tom Cruise in it. It's called Live Die Repeat, Edge of Tomorrow.
I thought once that Ajin and Death Note would go well together. It would work if the Death Note could kill Ajin, (all rules apply). I feel that would help balance things out. Feedback on this idea is welcome.
I didn't know that there was a Titan serum, that's cool. It also explains why some humans can create a Titan shell around themselves and not others. Only so much of the series was available to me on Netflix.
Oh hell yeah. He's a master manipulator, an insanely skillful strategist, and he treats the world like it's a videogame. He doesn't care worth a crap about anything except having fun. I didn't care much for the main character. He was a bit too serious.