Nagi Sanzenin is the main female protagonist in the anime series 'Hayate no Gotoku!' (also known as 'Hayate the Combat Butler'). She is a wealthy heiress to the Sanzenin fortune, living in a massive mansion filled with luxurious amenities. Despite her immense wealth, Nagi is socially awkward, stubborn, and somewhat lazy, preferring to spend her time indulging in otaku culture, including manga and video games. She is fiercely intelligent and resourceful, yet has a child-like demeanor. Nagi's life takes a dramatic turn when Hayate Ayasaki, a young butler, enters her life, and she becomes romantically interested in him, leading to various comedic and heartfelt adventures.