Main Characters Ibuki Hiiragi Koichi Ichimura Kayano Sakura Aizawa Hiroki [Class 3A] Kageyama Reina [Class 3A] Kai Hayato [Class 3A] Usami Kaho [Class 3A] Satomi Kaito [Class 3A] Suwa Yuzuki [Class 3A] Makabe Kakeru [Class 3A] Kumazawa Karen [Class 3A] Nakao Ren [Class 3A] Minakoshi Suzune [Class 3A] Seo Yudai [Class 3A] Uozumi Hana [Class 3A] Nishizaki Soma [Class 3A] Horibe Runa [Class 3A] Ishikura Kota [Class 3A] Yuuki Misaki [Class 3A] Sunaga Ken [Class 3A] Komiyama Aika [Class 3A] Hyodo Arata [Class 3A] Kanazawa Reo [Class 3A] Mitsunaga Aoi [Class 3A] Akiba Rin [Class 3A] Fuwa Kodai [Class 3A] Kawai Miki [Class 3A] Yanamoto Minoru [Class 3A] Hanaoka Sara [Class 3A] Tateno Hiroto [Class 3A] Tsujimoto Yuka [Class 3A] Asami Saya [Class 3A] Gunji Masato [Detective] Miyagi Ryoichi [Detective] Igarashi Toru [A Veteran Director of the First Investigation Division] Takechi Yamato [Class 3B Teacher] Morisaki Mizuki [Class 3C Teacher] Tsuboi Masaru [PE Teacher] Sakuma Gen [3rd Grade Chief] Sagara Fumika [Former Teacher of Kaio High School] Sagara Takahiko [Fumika's Father]