"Leo-kun," I say and give him a nod back in kind before putting my hat back on. Can't go long without my hat.

What area of study should Akiko be interested in? I rack my brain, trying to remember what I'd read about Amanogawa before driving out here. "Astronomy," I say with the slow uncertainty of an older cousin (hopefully). "She's heard it's Amanogawa's area of expertise."