Tsubaki Rurikawa is a main character in the visual novel series 'Maid Kyouiku.' She is a refined and elegant maid known for her calm demeanor and sense of responsibility. As one of the central maids in the story, Tsubaki often acts as a mentor to the other maids, guiding them through their training and serving as a role model. Her loyalty and dedication to her duties play a significant role in the development of the protagonist and the overall narrative.