On a plane bound for their business trip, Kōjirō Shindō and his co-worker Shun Hanamori witness the sudden appearance of the Kado, a cube of 2km length, out of thin air landing and enveloping their plane. All 252 passengers including Shindō, Hanamori, and the flight crew members are admitted intact into the cube and they encounter a strange being within. This being assumes the form of a humanoid, identifying himself as Yaha-kui zaShunina, and he wishes to "advance the world."
A Extremely Powerful Verse, a diverse Multiverse of countless cocoons with differential physical laws were created by the anisotropic beings, who come from the 37-dimensional universe outside the human universe. And, beyond the human observation, the higher-dimensional fragments of humans are aspects of a greater individual. It is Unknown, exactly how much potential humanity will reach, in fact higher layers beyond the anisotropic is introduced by Shindo Yukika.