The original Ikki Tousen series began in 2001 and ran through 2015 in Monthly Comic Gum magazine.
Shin Ikki Tousen began in the fall of 2015 in Young King Ours magazine and has four volumes released so far in print.
The three-episode OVA series will arrive on DVD and Blu-ray on June 24th, 2022 where the DVD is priced at 9,000 yen and the Blu-ray at 10,000 yen.
Shonen Gahosha revealed in July 2021 that Yuji Shiozaki’s long-running overall project with the current incarnation of Shin Ikki Tousen will be getting a new anime adaptation on AT-X in Japan.