Rurouni Kenshin Uramaku - Honoo o Suberu

The special focus on the meeting of Shishio Makoto and and his significant other, Yumi Komagata. The manga also details how Shishio formed the Juppongatana, his organization of warriors and assassins that he recruits in an attempt to overthrow the Japanese government in the original Rurouni Kenshin manga.