Mobile Suit Gundam GQuuuuuuX

Original title: 機動戦士Gundam GQuuuuuuX（ジークアクス）

High-school student Amate Yuzuriha lives peacefully in a space colony floating in outer space. But when she meets a war refugee named Nyaan, Amate is drawn into the illegal mobile suit dueling sport known as Clan Battle.