To her credit, there's some actual emotion on the girl's face right now! A restlessness brought her out so late at night, an inexplicable urge to get out of the dorm for a little while. So suddenly is Mikasa learning of the Dark Hour's existence, with most of the people who are out here in coffins. Except herself. It's strange enough that she can believe this is a dream.

Her look of confusion faces Junpei as he calls her out. This isn't the time to mention her distaste in his nickname for her, especially when she sees a sword in one hand and...a gun?

"Junpei?" She may be keeping herself calm, but he seems...ready. Expectant. "Do you know what all of this is?"