Anime Crossover: Sign-In Across the Heavens, Starting in Konoha

Itachi thought I knew nothing.

That's fine.

The things I've waited three years for, six years for, a whole lifetime for, I'll get them back, one by one.

The blood debt Konoha owes the Uchiha, the blood debt Danzo owes the Uchiha, the blade Itachi drove into his own parents...

Not a single one of them will get away.

The moment the portal between worlds opens, the Myriad Worlds all hear the same name-

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.