In a certain star system, there is a small planet called the Onsen Planet. The entire surface is covered in hot springs, and the ones who manage them are the 4 Santa Monica siblings.
A notebook of your own for this title
A blank page to write whatever you want, with images, spoilers and links to other titles.
In a certain star system, there is a small planet called the Onsen Planet. The entire surface is covered in hot springs, and the ones who manage them are the 4 Santa Monica siblings.
A notebook of your own for this title
A blank page to write whatever you want, with images, spoilers and links to other titles.
1 volume · Original title: 温泉惑星
1 volume · Original title: 温泉惑星
