Transfers into Kaako's class in chapter 2. With blonde hair and blue eyes is of Austrian and Japanese parentage. Proficient in both Japanese and German, but only has average grades in English. Enjoys talking to people while drinking black tea.
Due to his looks, and elegant and charming manner, Kaako initially mistakes him to be like the knight 'Lawence-sama', from her beloved 'Lawence and Rose' manga series. Hoping to make him her first friend since starting high school causes Kousei to become jealous.