Ikki Tousen , also known as Battle Vixens in North America, is a Japanese manga series written and illustrated by Yūji Shiozaki. Loosely based on the classic 14th century Chinese novel Romance of the Three Kingdoms, the series revolves around an all-out turf war in the Kantō region of Japan where fighters known as Tōshi from seven schools battle for supremacy. The story centers on Hakufu Sonsaku, a fighter who transfers to Nanyo Academy, one of the seven schools involved in the turf war.

Keith Ian Giffen was an American comics artist and writer. He was known for his work for DC Comics on their Legion of Super-Heroes and Justice League titles as well as for being the co-creator of Lobo, Rocket Raccoon, and Jaime Reyes.