Ikkitousen: Xtreme Xecutor
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Battle Vixens, known in Japan as Ikkit.sen (....?, lit. "lone rider with the strength to withstand a thousand"), is a manga/anime series by Y.ji Shiozaki loosely based on the classic Chinese novel Romance of the Three Kingdoms. It is known for featuring fan service involving young girls fighting in fragile dresses and short skirts, in addition to other ecchi situations.

(The) fourth season (Xtreme Xecutor) began airing in April 2010. A volume 0 DVD was sold at Comiket 77 at the end of December 2009, and was available for regular sale in January 2010 (Notably on January 22, 2010).[2] This new season will feature most existing characters from previous seasons and a new character will make its appearance. The animation will be done by TNK in collaboration with ARMS.