IKKI TOUSEN: WESTERN WOLVES

The fighters of the Kanto region have been able to determine that the previously unknown attackers are from Nara and are connected to the Yamato School and its dangerous leader Himiko. With leaders Hakufu Sonsaku and Moutoku Sousou already stripped of their Magatama jewels by the attackers, only Gentoku Ryuubi remains as the only fully operational leader. In order to maintain sufficient fighting strength, the fighters of Nanyo, Kyosho and Seito join forces for the counterattack. Although they expect to fall into a skillful trap, in the end they have no choice and even Hakufu wants to join in. However, Hakufu is “forgotten” at one of the stations on the way to Nara… (Source: Anisearch) — Description from AniList community (anilist.co).