Haru, a schoolgirl bored by her ordinary routine, saves the life of an unusual cat and suddenly her world is transformed beyond anything she ever imagined. The Cat King rewards her good deed with a flurry of presents, including a very shocking proposal of marriage to his son! Haru embarks on an unexpected journey to the Kingdom of Cats where her eyes are opened to a whole other world.

Humanity’s desperate battle to reclaim the Earth from Godzilla continues. The key to defeating the King of the Monsters may be Mechagodzilla, a robotic weapon thought to have been lost nearly 20,000 years ago.