Eden no Ori, Tenkuu Shinpan Recommendations
For starters, the main characters becomes isolated from society and ends up in a world/island (in the case for Eden no Ori) of the unknown. They realize the dangers of their newfound circumstances as there are mysterious obstacles that threatens their life. Both series contains a lot of mystery regarding their worlds as well especially in regards to the characters they encounter. But despite all obstacles, the main characters has a determination to survive. Recommended for any fan of survival horror.