Oh cool, a school arc, just what I always want in my fantasy isekai. Oh, also guns, another development that always improves a fantasy isekai story. I can't wait for the arc after school arc, I always love the build a water pump arc.
I'm really curious about why Japan (or at least many mangakas) show bananas as such a great fruit. Yes, it can be really tasty, but many characters seems to be obsessed with them. Really curious about it.