[Sora would never be upset about Nageki being inexperienced. Never ever. He's thinking more along the lines of he's going to do his best to bring Nageki to his full potential. Hopefully he'll be more open to Sora's desire to help than Riku Replica.]

Then we'll have to get you in some classes! I can show you the basics of how to do it, but I can't cast them myself. Once you get the hang of it you can check with Kazuma to see if he has more room in his training lessons. How about that? Would you like that?