Kokoro Tsurumaki

Kokoro Tsurumaki is a cheerful Hanasakigawa Girls' High School student and the leader and vocalist of Hello, Happy World!. Idealistic and charismatic, she dreams of making the entire world smile and easily draws people into her bright, easygoing pace. Sheltered by an extremely wealthy family, she can be unfamiliar with ordinary experiences, yet remains endlessly curious about the world around her.