Koi Koi Seven(こいこい7) is a Japanese manga series written and illustrated by Morishige and published by Akita Shoten. The story features a fighting squad of six girls (Koi Koi Seven) belonging to the Gokoh Academy who fight daily to protect the Earth's peace and future, as well as the hopeless Tanaka Tetsuro. Koi Koi Seven began its serialization in the shōnen manga magazine Champion Red in 2002 and ended in 2006. The series was adapted into a thirteen-episode anime television series, which broadcast between April 4, 2005 and June 26, 2005.