Lone Wolf & Cub Manga Omnibus Volume 6 volumes 13-14 and two stories from volume 15 and and features story by Kazuo Koike and art by Goseki Kojima.

Yagyu Retsudo's quest to kill ogami Itto has cost him three brave sons, countless warriors, and an eye. But Retsudo has two illegitimate children, a son and a daughter who are nothing to Retsudo but another sword and a vessel to carry a true heir to the Yagyu!