Supernatural Investigation, Setting up a Beacon at the Beginning

A long time ago, there was an organization called "Light", which was responsible for supernatural investigations. Until one day, the organization suddenly disappeared, and no one knew what happened. Chen Keshuai traveled to this parallel world three years ago and became a student at Kyushu University. On this day, the mysterious high-ranking officials of the military found him and invited him to join an organization called "Length". A complicated and confusing case, and teammates with strong weapons. In order to find out the truth about the letter lantern and the lost memories of his previous life, he embarked on the road of spiritual exploration. All the truth points to a big demon called "Ritu"... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.