https://www.jpf.go.jp/e/project/culture/exhibit/traveling/ma...
TL;DR: it is about the extensive "manga" Hokusai drew which set the stage for the explosion of modern day manga and comics in general.
A fantastic exhibition. I was fortunate to see it when it visited the Portland Japanese Garden.
(November 16, 2019 - January 5, 2020 Bibliothèque de Rivière-des Prairies (Montreal, Canada))