"I meant you can nap here." She's not sending him back there looking like this, when Akihiko will probably want to drag them all out for beef bowls or something like that. Let the siblings catch up on their own for a little while.

And then, his question. She puts the teacups on the table. "I'm fine." She pauses, and then she shakes her head. "...Of course I'm fine. This isn't about me... It's about you, her, and Akihiko-senpai."

All that mattered was that Miki was alive and with them again. Everything else is the past of a timeline none of them will ever see. No matter how hard it is to hear.