What's the use of the fantasy system? Can I get the things I imagined? Can I realize my fantasy? No, no!!! The fantasy system is a system formed according to your fantasy by the power of fantasy, as long as there is a fantasy system , the owner can travel to the world the owner wants to go, and upgrade the authority of the system by collecting the roots of the world. Mashiro of Sakurasou, Kuroyukihime of Accelerated World, Asuna of Sword Art Online, Tiffany of Zero, Wei Baozi from GOSICK, the king of the moon world, and the cannon sister of the forbidden world!!! Girls in Gensokyo, all girls in the second-dimensional world, wait for me!!! This is a journey through various worlds Dimensional Journey. PS: It has been confirmed that the main line is the pet girl of Sakurasou as the first world, followed by Acceleration, and then Sword Art Online