[ Although Gojou is usually perceptive of other people's emotions and ideas, he has no idea that Nanami is seeing him differently right now. So when he answers, he's quiet from the fact he's a little nervous to speak. A rare emotion for him, but this day tended to bring about the rarities. ]

You to stay.

[ The answer comes quickly. He had it in mind all along. Maybe he's just being a brat again, but he wants Nanami to stay as long as possible, as long as he can stand it. If that means until the next day, so be it. He'd be delighted. ]

I'll sleep if you're there.

[ He's being honest and it shows in his eyes. Maybe it's because the other is one of the few things left from that time - or maybe, though he would never admit it, he is attached to this man on his own merits. ]