Birthday: June 6th
Horoscope: Gemini
Blood Type: A
Height: 178cm
School: Seiso Academy
Grade: Third year, Music Department, Class A
Instrument: Violin

He is the president of the Orchestra Club and the head of the Linden Hall Dormitor. He's the older brother of Kyoya Kisaragi and the childhood friend of Kanade. Ritsu is a really calm person and the violin is really important for him. He can also be seen as a cold person, but actually cares a lot about other people.