Sachi Nogami, a childhood companion of Madoka Kyouno and Michi Kondou, navigates the sunlit waves as a member of Kamogawa Girls' High School’s surf club. Her familial ties carry a shadow—her father’s public scandal involving an altercation with Array, captured in a viral YouTube video that rippled through their world. Her story remains anchored to these fragments: friendships, saltwater horizons, and the quiet echoes of a parent’s infamy.