My vest is absolutely fine

Pseudo alien worlds have invaded, and the real man behind the scenes is in the sky above Tokyo. A ghost of a traveler is wandering, completely distorting the style of this world.
Yukinoshita Yukino: "SABER, I want to be a partner of justice and change all injustices in this world, are you willing to help me?"
Hayasaka Ai: "Miss, are you still the original you? I won't let you become a feather fox, absolutely not!"
Sawamura? Spencer? Eriri: "Why did it become like this... For the first time, I have someone I like, and I have someone who can be a lifelong friend. Two happy things overlap