Bokurano: Ours

Fifteen middle school students are happily attending a summer camp by the sea, until one of the children leads the group into a cave that will drastically alter the course of their lives forever. Inside are several computers, along with a man named Kokopelli who offers the students a chance to play a game: one where they use a gigantic robot to defeat enemies who attack the Earth. The children agree to sign a contract by touching a shield-like object, and Kokopelli transports them to the cockpit...

Bokurano won the Excellence Award in the Manga Division at the 14th Japan Media Arts Festival in 2010. The series was published in English as Bokurano: Ours by VIZ Media under the SigIkki imprint from February 16, 2010, to September 16, 2014.