[Machine Translation] From quantum theory to string theory, multiverse is an essential part of fantastic advanced theories. (There are even theories that claim that this universe is a holographic projection of another universe. These multi-cosmos, which have no experimental verification yet but have firm mathematical support, may be considered as real, physical objects of reality... This is a masterpiece of scientific commentary that discusses the mysteries and fascination of the multiverse from multiple perspectives, and describes cutting-edge theories in terms that will make sense to you and me.