Yoriyuki Sanjuro Yazawa is credited as a character voiced by Chafūrin in *Shinshaku Sengoku Eiyū Densetsu - Sanada Jū Yūshi The Animation*. Available production materials list voice actors, staff, episode details, and air dates but omit narrative specifics for this character. Series synopses describe the Sanada-Tokugawa conflict without referencing Yazawa. No details exist regarding his background, traits, story arc, or appearances in seasons, movies, OVAs, or spin-offs.