Meet a shut-in princess and a bloodthirsty knight at the centre of a royal mystery! The much-anticipated manga adaptation of the hit light novel from Kadokawa Beans Bunko! Princess Charlotte is the granddaughter of a war hero and founder of her country Formont. She spends most of her days stuck in the palace, assisting her brother with paperwork. But recently, she has been targeted by unknown assassins!The renowned "Headless Knight", Albert Horseman, is appointed to protect Charlotte-but can he...?