Monster Strike The Movie: Sora no Kanata — Episode 1

Thirteen years ago, a part of Tokyo broke off and started floating in the sky. The floating part of the city became "Old Tokyo", while the rest that remained on the ground became "New Tokyo". Communication and interaction between Old Tokyo and New Tokyo became impossible. Years after the incident, a young girl discovers that Old Tokyo will soon fall back to the ground. She sets off on a dangerous journey to New Tokyo