Machiko Iwabuchi teaches at Kamogawa Girls’ High School as Madoka Kyouno’s homeroom instructor, while her deeper ties to the school’s history stem from her youth. A former Jersey Club member alongside Madoka’s late mother and cousin Youko Nakaizumi, she carries the club’s legacy of service across generations, mentoring students with insights forged through her own experiences. Her long-standing friendship with Youko, rooted in shared childhood memories, intertwines personal loyalty with her dedication to guiding the club’s successors. This dual role positions her as a bridge between the Jersey Club’s past endeavors and its current members, ensuring its values endure through her steadfast support of their growth. Her presence consistently anchors the narrative, harmonizing tradition with the evolving journeys of those she mentors.