Lucifer and the Biscuit Hammer

惑星のさみだれ

Yuuhi Amamiya is a withdrawn college student who wakes one morning to find a talking lizard named Noi on his bed. Noi names him a Beast Knight, one of the warriors sworn to protect the princess Samidare Asahina from a mage who means to smash the planet apart with the Biscuit Hammer, a giant mallet suspended in the sky. Samidare quickly reveals an agenda of her own, and Yuuhi finds himself bound to a cause far stranger than saving the world.