Tōru and Noburo are brothers of the Takagami Family. Toru has Yin in his blood and is constantly targeted by the yōkai and other creatures lurking in Japan. When Tōru is targeted by one, his brother Noburo releases the fox deity Kūgen Tenko who protects Tōru from the monster. Kūgen now acts as the protector of Tōru and Noburo to keep them safe from any threats to them, while at the same time trying to adapt to the modern world. (Source: Wikipedia)

The story revolves around Kakazu Kio, an ordinary high school freshman living in Okinawa. A girl with cat ears appears before him during a memorial service for one of his family ancestors. The girl calls herself Elis and claims she is an alien. Before long, fanatical alien worshipers and a mysterious government agency are in hot pursuit of Elis, but Kio's childhood friend Manami — who wants to follow in her father's footsteps in the CIA — captures Elis. Kio finds himself having to protect Elis from everyone. (Source: Wikipedia)

Follow the story of a boy trying to fly and a girl trying to rebuild a tower. Together, they traverse a post-apocalyptic world.