The protagonist, Karen, a little girl from an underground city, has no idea what Sunshine is. She is a student of the librarian of the city "Lightdread". Once she receives a fragment from the magic book. Under the guidance of fragments Karen found a man who is against the will of the govement. Studying the ancient secret chambers, she gradually unravels the mystery of the unknown light. The player can rotate the terrain like a roulette wheel, and it also affects the objects on it.