Madoka Tsubaki is a supporting character in Love Live! School Idol Musical the Drama. She holds the position of chairwoman at Tsubakisakuhana Girls' High School, an institution known for its strong academic reputation. She is also the mother of Rurika Tsubaki, one of the story's central figures. Alongside Kyoka Takizawa, the chairwoman of Takizakura Girls' Academy, Madoka Tsubaki co-founded the Tsubaki Takizakura Girls' High School Idol Club, which unites students from both schools following their merger. Her role in the narrative is primarily defined by her authority as a school administrator and her familial bond with her daughter. As a parent, she has expectations for Rurika's academic diligence, which initially creates a point of tension when Rurika becomes involved in school idol activities. Her motivations are rooted in her dual responsibilities as an educator and a mother, though the available information does not elaborate extensively on her personal ambitions or inner conflicts. Her relationship with Kyoka Takizawa is one of professional partnership and mutual cooperation, as they work together to establish the combined idol club. Over the course of the drama, her perspective may shift as she witnesses her daughter's growth and the positive outcomes of the club, suggesting a gradual openness to the value of school idols beyond academic success. Aside from her administrative duties and a brief musical moment shared with Rurika in the song Dentou no Keifu, no specialized talents or abilities are explicitly highlighted for her character.