Traveling through time and becoming Taichi Yagami, he also has a lovely sister!
It's just that the development of the plot is a bit chaotic, the Mitsuoka incident did not happen, and the digital world was shrouded in darkness.
Time and space overlap and darkness invades.
In order to protect his sister, Taichi Yagami gradually embarks on a journey to be the strongest and save the digital world.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.