Comprehensive Comic Girl Controls Life

A senior technical geek made a plug-in for himself in a game. Then he traveled through time. His identity is still that of a person whose parents died in the same building and has a younger sister. And there is more than one sister, the eldest sister Miyuki Shiba, the second sister Hatsune Miku, and the third sister Kasugano Sora. See how he lives in the second dimension. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.