Yamano Mitsuha is 18 years old when she is suddenly left with no family. It is then that she accidentally falls off a cliff to her certain death... only to wake up in a strange new world!

With the debutante ball a success, Mitsuha's eager to get back to running the shop. However, it seems the Bozes family has different plans! And there's something that's been troubling their daughter, Beatrice...

The Great Ancestral Dragon appears to reinforce the Empire, but Mitsuha will stop at nothing to protect her kingdom!