[Western Crossover] The Little Nightingale of Florence and the Little Prince of Gotham

[Blurb dated 2021.06.30] Ezio/Bruce. The slash is significant. The Nightingale, who's spent his whole life working for the Templars, wakes up one day to find himself in the new century. Mr. Bruce, do you know a cute little friend named Da Meng? Hmm? No one by that name? ...And there's no Apple of Eden, either. What the hell? Oh, what? I can't kill people? It doesn't count if they get hit with a sleep dart, fall into the water, and drown, right? I just didn't save them. The berserk darts don't count either. They're killing each other. At this point, a certain Bat has booked the Nightingale a fast-track ticket to Arkham. Huh?! Wait, why are more and more Assassins falling from the sky??? As an Assassin flag rises in a corner of Gotham, the Nightingale smiles. The Templars are gone, but there's still the Court of Owls. As long as injustice and oppression exist in this world, the sound of the hidden blade will never fall silent. The Creed lives on, and so do the Assassins. Theme: Great power should exist to protect, not to destroy.