I understand your pain (Middle and High School with high usage of pen-and-paper homework and note-taking. Second year in Middle School our math teacher made us basically copy the whole textbook, and my wrist remember).
Isekai? Uh, intersting!
A little suggestion: could it be possible to add bickering between the Isekai MC and the Narrator, a-la Cthulhu Saves The World? For the combined lulz of us player, of course...