Kids with superpowers all being born on the same day. That's not something she's encountered before. Actually, it's pretty up there on the weird scale, all things considered, and it makes her appraise him a bit more closely. What's his power, then?

It's the mention of his father that trips Daisy's memory, unearthing a memory from a few weeks ago, not long after she'd woken up here. She stares at him for a moment, a million questions racing through her head before she finally just makes the leap and asks, "So you're Five's brother?"