My Secret Identity Is Absolutely Fine!

Fake: An invasion from another world. Real: The mastermind behind the scenes

A transmigrator's ghost wanders above Tokyo, warping the very tone of this world beyond recognition.

Yukino Yukinoshita: "Saber, I want to become an ally of justice and change every injustice in this world. Will you help me?"

Ai Hayasaka: "Milady, are you still the person you used to be? I won't let you become Hagoromo-Gitsune. Never!"

Eriri Spencer Sawamura: "Why did it turn out like this...? For the first time, I had someone I liked, and someone I could be friends with for the rest of my life. Two wonderful things came together, and those two joys brought me even more happiness. What I should have gained was a blissful time like something out of a dream... But why did it turn out like this...? Taichi-senpai..."

P.S. The protagonist is "a little" dark. Please brace yourself before reading.