Ogu

When Haruhiro awakens, he's in the dark. He doesn't know where he is, why he is here, and where he came from. Around him there are several men and women who have the same circumstances. Haruhiro and his companions find themselves in a game-like world called Grimgar and must form a party, cooperate, and learn new skills to survive the harsh environment together. Source: ANN

There used to be a boy who could control youkai with a mysterious watch. However, he became unable to see youkai when he became an adult. With the boy's duties finished, the watch was buried away in space-time. Then 30 years later, quiet everyday life comes to an end as a fateful day begins with a comet drawing near. The terrible youkai virus Onimaro infects people's…