"..."

For a long moment, Yamato didn't say anything. He just stared at Aoi blankly, his expression betraying nothing - not shock, not confusion, not anything. It was sort of creepy. But, after a few minutes, the child turned away and stared at the wall instead, heaving a sigh.

"...so my sister is older than I am here?"

Yamato latched onto that first. He... didn't know how to process the situation properly yet, so he decided to focus on the trivial details first. Get those out of the way, and then... yeah.