Travelogues, a magazine exploring remote islands and “bespoke” luxury travel visited Shikoku several years ago. Here is the article that was written by their Ms. Powers. I like the tone of this article, very “present” and very much from the perspective of someone who is truly curious and interested in learning and exploring. And there really is much to explore and see in Shikoku. The hiking alone in Tokushima is really quite sublime, particularly when the air cools and the autumn colors come alive in the hills. Check out the article, and if you are keen to have a “bespoke” experience, follow the links through!
https://www.remotelands.com/travelogues/natural-wonder-in-japan-exploring-eastern-shikoku-island/