In the futuristic year of 2043, the groundbreaking VRMMO, Infinite Dendrogram, debuts as a revolutionary gaming experience. As Reiji Mukudori, on the brink of his college journey, acquires a copy of this immersive game, guided by his seasoned brother Shu and companion Embryo, he delves into a realm brimming with limitless potential. Amidst the game's unparalleled realism and boundless options, Reiji unfolds a thrilling adventure fraught with discovery and challenges beyond imagination.