GAINAX released another short of Gurren Lagann Parallel Works. This video being the fourth. This one features a wild west theme and reversal of good guy vs. bad guy rolls. Viral must be having a growing base of fans. Gurren Lagann Parallel Works is a new series of nine shorts related to Tengen Toppa Gurren Lagann. Each short is by a GAINAX animator, so most of them will have a unique feel and style. They’re also released online only (ONA).