He isn't sure what the implications of a "Tamer" are exactly, nor the added details of circles and prayers. Perhaps Summoning was akin to something similar in his world. Either way, it seems like every other word Rin says is of a foreign tongue. He almost feels as though they are having two separate conversations.

"A-Alf," he repeats back with a halfhearted laugh. He doesn't necessarily mind the shortening, but there is something embarrassing about it nonetheless. It sounds more... childish, perhaps? This conflicts with his pride in his so-called maturity, but he can endure it. That's how mature he is, after all! "That is fine with me. You are a wielder both of swords and magicks? My sister is as well, actually."