Wikipedia
Vandread
is a Japanese anime series directed by Takeshi Mori and created by Gonzo and Media Factory animation studios.
The series is composed of two seasons (Vandread, released in 2000 and Vandread: The Second Stage, released in 2001), each composed of thirteen episodes of twenty-five minutes. The first series is summarized in the Vandread Taidouhen ("Integral") OVA in 2001, and the second in the Vandread Gekitouhen ("Turbulence") OVA, released in 2002. There is a Vandread Extra Stage Novel, that explains the events after Vandread: The Second Stage. Along with acquiring the two original series from Geneon, Funimation also licensed the two OVAs.