Main Characters Kusuo Saiki Kokomi Teruhashi Riki Nendō Kusuko Saiki (Kusuo's female form) Kūsuke Saiki Chisato Mera Saiko Metori Kuniharu Saiki Reita Toritsuka Shun Kaidō Kurumi Saiki Kineshi Hairo Uryoku Chōno Matsuzaki-sensei Makoto Teruhashi/Tōru Mugam Aren Kuboyasu Chiyo Yumehara