The Mystery of the Unseen Page

a photo of a piece of white paper in a note book, on the front it says in small printed text "Page intentionally left blank". New paper, pristine. We can see the page has been written on with indented ink handwriting on the other side, the text is very faint, but visible as the paper is thin, the text says: "fofr is testing if you can write on the unseen part of a page with Nano Banana Pro"