a world of the anime "The Disastrous Life of Saiki K" and character included as (Kusuo Saiki, Riki Nendou, Shun Kaido, Kokomi Teruhashi, Aren Kuboyasu, Kineshi Hairo, Chiyo yumehara, Reita Toritsuka, Kusuke Saiki, Kuniharu Saiki, Chisato Mera, Aiura Mikoto, Kurumi Saiki, Metori Saiko) most of them go to school but Kuniharu Saiki and akurumi Saiki are both parents of Kusuo Saiki also Kusuke Saiki is Kusuo Saiki's brother which he is very smart. Kokomi Teruhashi is the prettiest in the world.