在浩瀚的宇宙间，有颗名叫“幻域”的星球，上面生存着一支古老的智慧物种。这个种族文明程度极高、而且心地善良，派遣族人穿梭在宇宙间的其他星球上，专为各个星球上的人们了却恒久的执念，在地球上，他们被称为“诛念师”。

In the vast universe, there is a planet called "Fantasy Domain" on which an ancient intelligent species lives. This race is highly civilized and kind-hearted. It sends tribesmen to and from other planets in the universe. They are dedicated to the people on all planets but have a long-lasting obsession. On earth, they are called "Zhu Nian Masters."