Caos Caos Caos (カオス・カオス・カオス Kaosu Kaosu Kaosu) is a Japanese pop dance group under the GIZA studio label which features Nori Shiraishi on vocals, and four unknown dancers. Formed 2010 in Hyogo Prefecture with a song called "AVE MARIA in Christmas Non-Stop Carol". Debuted with their first single called tear drops for 30th Opening of Detective Conan.