Myōjin Yahiko , known as Yahiko Myojin in the Media Blasters English-language dub and Yoshi Mujin in the English Sony Samurai X dub, is a fictional character from the Rurouni Kenshin manga and anime series authored by Nobuhiro Watsuki. The character of Yahiko is based on the author's childhood experiences practicing kendo; since Watsuki's experienced frustration during kendo classes, the author wrote Yahiko as experiencing frustration with his kendo skills. Watsuki liked Yahiko, and while writing the manga, he began to develop the character so that readers would enjoy him.

Rurouni Kenshin: Kyoto Inferno , also known as Rurouni Kenshin Part II: Kyoto Inferno in North America, is a 2014 Japanese jidaigeki action film based on the Rurouni Kenshin manga series, and serves as the second installment of the Rurouni Kenshin film series', following the first film Rurouni Kenshin (2012). The story follows Himura Kenshin as he heads to Kyoto to face a powerful group led by Shishio Makoto, a man who wants to rule Japan after being betrayed by the government.