In 2016, the weirdo "Bugster" = unknown computer game virus began to invade the world. In order to save the infected, the talented player Nagamu Hosei decided to fight the Bugster and transformed into Kamen Rider Ex-Aid. Knights of various game types appear!
This is the world of exaid.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
