Alternative Name:Hot Spring Planet

Genre(s): Ecchi Sci-fi Shoujo AiComedy

Demographic:Shoujo Ai

Summary:
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 ... MORE 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. HIDE