Megumi is the former student council president and founder of the Mio Fan Club (with Nodoka becoming her successor in both positions). She stalks Mio during her last few days in high school because she wanted to see Mio one more time. The band offers her a song as a graduation gift. Megumi becomes a good friend of Ritsu through unspecified circumstances much to Mio’s surprise. She also helps Ritsu and Yui with the university entrance exams by giving them her old exam workbooks. She goes to the same woman's university in which Yui and her friends later enroll and lives in the same dorm as them.