After the 501st is disbanded, Miyafuji spends her days at home, slacking off and doing nothing. But when she gets the call to go back to Europe, it's time to bring the whole gang together again!

A school comedy taking place in Tokyo in 2034. Copihan is a joint project of Gonzo and Kei, the illustrator of the manga version of Copihan who is best known for Hatsune Miku.