The play will feature the character of Sozaburo Kano played by Mitsuru Matsuoka (Kamen Rider W FOREVER). He is a character not seen in the original manga and was first introduced in the all-female stage musical adaptation of the series. He serves as a romantic rival to Kenshin. Similar to Hajime Saito, he's a character based on a historical Shinsengumi character of the same name.
Written and directed by Shuichiro Koike, who was also responsible for the series' musical adaptation, the Rurouni Kenshin stage play will run from October to November.
[Source: Natalie via Anime News Network]