Kaede Honjou is invited by her friend Risa Shiramine to play a virtual reality MMO game with her. While Kaede doesn’t dislike games, what she really, truly dislikes is being…

The story is set in the future, not long after the present day. Hyper Sports, which use extreme gear as support items, have become popular hobby competitions among both children…

A mysterious illness. An underground realm at its origin. Gifted with immunity, one young man enters to find a cure.