Kareri has averted a crisis that would’ve doomed all of humanity. She’s paid the ultimate price, however, and now finds herself fused to an orbiting stony satellite. In order to save his wife, Reisuke decides to train their son, Mamoru, who has inherited his mother’s superpowers! In the process, they meet Albert—a former Earthchild who knows of a possible way to save Kareri, but it would put Mamoru in harm’s way!