Lulu functions as Camelot's trainee within the Sunny Kingdom, tasked with supporting Camelot in educating the twin princesses Fine and Rein on proper princess etiquette and decorum. During training sessions, she meticulously documents advice and instructions in her notepad. Lulu occasionally offers suggestions to Camelot concerning educational methods for the princesses.

She first appears in episode 11 of the initial series. Her role consistently involves assisting Camelot throughout the narrative, with no expansion or evolution in subsequent seasons, spin-offs, or other media. Background details, personal storylines, and character development remain focused solely on this professional capacity.

Information regarding her presence in movies, OVAs, or non-anime adaptations is unavailable. Relationships, personality traits, and background outside her professional duties are not elaborated upon in documented sources.