Two Orphan Siblings, Asuka & Akira, are kidnapped one night and awaken in the mysterious, high-tech Kurone City. Forced into a hidden society beneath the surface, they're enrolled into Juno Arakawa High, where students train to fight massive creatures called "Kaiju". As they navigate school life, make allies & uncover hidden powers, they slowly realize the city holds dark secrets; and the Kaiju may not be what they seem. American made.