Am I a person of interest as a newbie in the second dimension?

I, Sougo Toma, have a golden finger and am a standard time traveler. My biggest goal at the moment is to escape back to heaven with my salty fish sister.

reason? Don’t ask, it’s quantum mechanics!

This book is also called

"I will never stay in the second dimension of Japan as a paranoid person", "If you don't let me leave, it will turn everything upside down" "I, who is chaotic and neutral, actually just want to live in peace"