This incarnation of Hisahide Matsunaga appears in the Sengoku Collection anime series as a con artist.
This incarnation of Hisahide Matsunaga was created based off of a cell phone game by Konami Digital Entertainment. Her character design in the anime series is credited to Katsunori Shibata. Soun makes her first appearance in the Sengoku Collection episode Brutal Maiden where she is voiced by Atsuko Tanaka.
Whilst in the middle of running a gambling based con on a local hustler, Hisahide meets a young woman named Sarah who needs assistance in bankrupting casino that the Yakuza has setup in her father's embassy. Hisahide agrees and the two work together to create a multi-layered con which depletes the hoodlums out of all of their money.