Bokurano

ぼくらの

At a seaside summer camp, fifteen children explore a grotto and meet a man calling himself Kokopelli, who invites them to test a game: piloting a giant robot to defend Earth from fifteen attacks. Fourteen sign the contract before waking on the shore, sure it was a dream. That night two colossal robots appear, and the children are pulled inside one they name Zearth to fight the first enemy. The creature Koyemshi then explains the rule that turns the game into a trap.