A strange but beautiful girl who appears unexpectedly at Seikichi 's home. She askes Seikichi to make a rocket that will reach the moon. She is also the White Sky Beast, a fact which she keeps from all but select a few of her new friends. Unlike the Blue Beast, Sora can speak to humans while in her true form. She does this several times when alone with Ginjiro .
- Her human form was resemblance of Eureka from Eureka Seven.