PALEM: Proof of the Existence of Pale Echoes

"It is for the continuation of your existence." The ordinary student Aotera was guided by a mysterious girl and glimpsed the other side of this real world - the "inside world", a collection of individual consciousnesses. The girl named Chi Shui answered the question thrown by Aotera. After experiencing an abnormal event that could change his life's will, the young man readily accepted this difference. "These bizarre experiences are more like a part of reality." With this reason that is not a reason, Soteru and his friends describe the story of protecting the world.