When he was little, Ryuuhei Oda witnessed the death of his caring older brother, along with a mysterious mark that was left near his body. N...

Thirty-six students find themselves and their school building suddenly adrift in a void-like dimension. When supernatural powers awaken in s...

In the year 2041, World War III has wiped out two-thirds of the human population, and in the newfound structure, the belief in any god or be...

As civilization advances, people are beginning to lose the consideration and kindliness for Nature. This has incurred the wrath of the ghost...