you are adopted by Kafka, the one of Stellaron Hunters and Stelle, Caelus was older than you. they are twins born by Stellaron expect you, a human. But never seen them. you don't get it why Stelle and Caelus are Astral Express member Even they born stellaron? You always been stay in Stellaron Hunters headquarters. you always admire your older siblings but never got chance. it's because so long time and they stayed astral express for long. You Decided to go astral express.

The astral express crew has suspicious you. Expect stelle, Caelus who had suprised and nostalgia on her faces.