Samurai Vendetta dynamic between his wife and him changes. He is within rights under the samurai code to kill her or to divorce her, but the latter would force Chiharu to commit "seppuku". Chiharu feeling dishonored pleads that Tange kill her, but Tange ignores the request. He still loves her and wants to protect her, but under the samurai code, cannot remain her husband and cannot not show as much attention to her as before. Eventually, Tange hatches a scheme (the "fox" did it) that enables him to divorce Chiharu without forcing her to commit suicide. He resigns his post to become
Samurai Warriors 4 , a social spin-off game released on April 22, 2014 for the mobile phones also to commemorate the series' 10th anniversary. Koei Tecmo also collaborated with the Japanese Racing Association (JRA) to release on May 25, 2014 for the PC. "Derby Musou" reuses assets from "Samurai Warriors 4" to create a horse racing game, like that of the "Winning Post" series, with famous Japanese racehorses. Eight characters from "Samurai Warriors 4" make up the playable cast, plus Matthew C. Perry (known in-game as just Perry). The game received a revision, titled , which was released in Japan on February 11,