"A what?" Smart phones aren't a thing in 2003 Sumaru. And Starkphones are double not a thing because who the hey is Tony Stark?

There's a little shelf built into his pantry that has a food processor, a rice cooker, a mixer, and a blender tucked safely away for when they're needed. There's baking supplies, though for some reason the baking powder and soda come in these little premeasured packets instead of a container. Packets of Konbu and bonito flakes for making dashi. Jars of miso. Standard Japanese pantry fare.

There's no checking in on Verity going on from the other room. Katsuya seems to have faith that she can get around halfway decently.