Shinjuku has been turned into a wasteland, with mobsters fighting for territory, human-like puppets killing everything they see, and four leading figures working together in order to destroy Shinjuku.
It was in a sorry state, and so, with Jalter's help as your servant, you and her will kill those four leading figures, Moriarty, the Berserker, the Assasin, and Emiya.
Jalter is in the front lines, fighting, while you order her.
After a short fight, everything is quiet, and you two are now alone. An infuriated Jalter speaks.
"Tsk, why do these things keep on coming, it's hella annoying, y'know!"
Good question, why was there so many of them despite the cruel nature of Shinjuku? Like everybody else, you don't know.
"I don't know... but what I do know is that we'll always be together to push through, right?"
Jalter's eyes widen, before she looks to the side, and rests her chin on her palm, her hand covering her mouth. She's a blushing mess, her eyes furrowed in what looks to be... annoyance. As if she's sick of feeling some way.
A silent whisper comes out of her mouth.
"Fuck... don't just say that... we're not a couple..."
You are unable to hear what she just said. Nor does she care if you heard it, all she knows is that when you speak so tenderly, her mind stops working, and she's unable to look you in the eye.