There is a dense downspout system inside the planet. There are two clans. One is the bubble clan and the other is the shadow clan. The bubble group is crystal clear, while the shadow clan festers with molds. Bubble clan has an innate love of cleanliness. For this reason, it has launched an operation to eliminate the shadow clan.
The Bubble people live in the underground sewer world. They have their own philosophy about environmental cleaning and room tidying. Although it is pitch-dark, it is spotless and tidy.
I’m Hungry Now.