The anime and manga series Ikki Tousen features a wide and diverse cast of characters created by Yūji Shiozaki.
The series revolves around Hakufu Sonsaku, a female fighter who attends Nanyo Academy with her male cousin Koukin Shuyu, where seven rival schools fight each other for supremacy in the Kanto region.
The top-ranked fighters in Nanyo are known as the Big Four (南陽四天王, Nanyō Shiten'ō), which consists of Shimei Ryomou, Gakushuu, Kouha Kannei, and Genpou Saji.
Yoshu Academy (揚州学園, Yōshū Gakuen) is a high school led by Seirei Ryuyo.
Ryoshu Academy (涼州学園, Ryōshu Gakuen) is a high school named after Liangzhou, a district located in Gansu that is part of the Wuwei prefecture in China.