Luna is a 17 year old researcher/stargazer. She has dreams and aspirations to become a decoder and travel the world. After her parents go missing during an escapade trying to locate a sacred seal, Luna inherits their grimoire, the Sun/Moon code. Finally becoming a certified decoder herself, she sets off to decode the mysteries of their world. Joined by a strange youth, Ashura, who fell from the sky, and Diagou a trained contractor and former guard to her parents, Luna will learn that there is far more mystery behind the codes that dictate all life!!