A masked knight who can't stop rescuing people runs into a lonely kid, and suddenly his whole chivalric code means something real instead of just compulsive reflex. The show gets that being a hero isn't about the mask or the code, it's about showing up for someone who actually needs you there. By the end, you're watching a man learn that saving someone from danger is easy compared to saving them from isolation.

Yotaro Hanafusa comes from a line belonging to the Knights of the World, an ancient order whose chivalric code was drilled into him from childhood, leaving him unable to ignore anyone in danger. Hiding behind a mask, he is known on the streets as Knight Lancer. His life changes when he saves Makio Kidoin, the six-year-old only child of a wealthy business tycoon. Discovering that her days in the vast estate are lonely ones, Yotaro decides to protect her. He and his odd group of friends pose as lodgers and move into her mansion, where he must deal with Makio's antics and scheming enemies while keeping his identity secret. The mix of action and fantasy sets a modern-day knight against a life far from ordinary.