Weekly Young Magazine
"The Yagyū Ninja Scrolls" was serialised in Kodansha's "Weekly Young Magazine" from 2005 to 2008, and was licensed for English publication by Del Rey Manga, which released seven volumes from 2007 to 2009. It was re-licensed by Kodansha USA and they released the full manga digitally from August 9, 2016 to April 11, 2017.