The sickly female protagonist meets the sickly male protagonist, and the two wander and live together in multiple worlds. There are not only poems and distant places in life, but also the long and short lives of the family and the steady flow of water. This article is a slow read, and the pace of each world is very slow. Although it is a fast travel, it is actually a slow travel.
Concept: Couples working together to quickly travel through multiple worlds