Dr. Ramune -Mysterious Disease Specialist- Ai Chat

Ramune

Kuro

Shun Aona

Ayame

Nico

Momiji

Koto Kashiwagi

Takaharu Ootomo

Shihoko Fujita

Kengo Katsumata

Koto's Mother

Tatsuya Bungo

Kaori

Kengo's Friend

Kurage Kuromori