Shinjirou Kusakabe (草壁信二郎 Kusakabe Shinjirou ) is the school's music teacher and club supervisor. He was once a famous conductor, but suddenly retired and becomes a music teacher instead. He is the center of Chika and Haruta's attention. Like Haruta, Kusakabe is also a capable detective and always solves the problem first before Haruta, but allows Haruta and Chika to discover things for themselves.
Shinjirou has black hair and greyish-blue eyes. He has rectangular glasses. He typically wears a dress shirt with a tie or a dress shirt with a sweater over it.
Shinjirou used to be a aspiring musical conductor, but for unknown reasons, became a music teacher.It was revealed in the anime that someone precious to him died on the day he was supposed to conduct the Berlin symphony orchestra.
|First Year Students||Akari Gotō • Kaiyuu Hiyama|
|Second Year Students||Haruta Kamijou • Chika Homura • Naoko Serizawa • Misato Asou • Yaeko Fujima • Nagoe Shunya|
|Third Year Students||Miyoko Narushima • Keisuke Katagiri • Kae Asahina • Sae Asahina • Maren Sei • Hinohara Shuuichi|