Released on November 13, 1991, the Movie 1 OST: Huge Decisive Battle in Nekonron, China! Breaking the Rules of Fierce Fighting! (中国寝崑崙大決戦! 掟やぶりの激闘篇!! Chuugoku Nekonron Daikessen! Okiteyaburi no Gekitou Hen!!?) album collects several instrumental tracks included in the first movie of the Ranma ½ anime, Big Trouble in Nekonron, China, composed by Kenji Kawai. The domestic release of this album features a different cover with the cast from the film standing together.