Fushigiboshi no Futago Hime  

As Princesas Gémeas do Planeta Maravilha, Futago Hime, Twin Princess - Principesse gemelle, Twin Princesses of the Mysterious Star, ふしぎ星の☆ふたご姫, Twin Princess of the Mysterious Planet, Fushigiboshi no☆Futagohime

On this enigmatic planet, seven realms reside, all illuminated by the benevolent rays of the Sun's Blessing originating from the Kingdom of the Sun at its core. The light from the central sun sustains life in these kingdoms. However, an unknown force is gradually diminishing the Sun's Blessing, threatening the survival of all inhabitants on this planet. Fortunately, the twin princesses of the Sun Kingdom, possessing the mystical power of Prominence, are seeking a solution to save their people and preserve life on this mysterious world.