 If you liked
Jisatsutou
|
 ...then you might like
Sprite
|
If you're interested in survival horror, then give these two series a try. Both of them explores a dark story where the main protagonist's lives changes after a dramatic event. They realize the unfolding events that could change what's around them while realizing that they are isolated from the normal world. There is also a lot of mysteries that surrounds the many unfolding events such as their roles in the story.