The timeline is set to be after Taiga TV and before Taiga the Movie.
An ordinary boy died in an accident and got a chance to be reborn. However, there was a prerequisite, which was to bring the Ultra system and defeat the monster.
As everyone knows, the dangers he resolves time and time again provide the people behind the scenes with increasingly stronger abilities, and what is the purpose of the person behind the scenes...
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.