Tomoya realized more and more that Centorea was not so much a fish out of water as much as an alien on the wrong planet. Again... not a distant comparison.

"At least you know fluent japanese..." If overly formal, and perhaps too idealistic of feudal eras. And yet, if she was going to go with the role... might as well go with it.

He smiled as he stood straight for her, and extended an open palm upwards for her in an invitation. "Come on. Let's go explore. I'll try telling you things as we go."

He'd walk beside her, not in front of her, to avoid looking like a rider bringing his horse around on a public square, and... trying to look up rather than up front, at Centorea, as they were instead friends exploring the town together.