Fushigiboshi no☆Futagohime

Synopsis

In the hollow Mysterious Planet, seven kingdoms exist together, all illuminated by the Sun's Blessing from the Kingdom of the Sun at the planet's center. The light from the core sun is vital for all the kingdoms to continue surviving. However, something is making the Sun's Blessing grow weaker. If no action is taken, life throughout the Mysterious Planet will come to an end. Luckily, the twin princesses from the Sun Kingdom, Fine and Rein, have been granted the magic of the Prominence, and they are searching for a way to resolve the situation.