Seppuku severed by Hiroyasu Koga, a former kendo champion. Morita then attempted to perform seppuku himself, and when his own cuts were too shallow to be fatal, he gave the signal and he too was beheaded by Koga. This list of notable seppuku cases is in chronological order. The expected honor-suicide of the samurai wife is frequently referenced in Japanese literature and film, such as in "Taiko" by Eiji Yoshikawa, "Humanity and Paper Balloons", and "Rashomon". Seppuku is also referenced and described multiple times in the 1975 James Clavell novel, "Shōgun"; its subsequent the 1980 miniseries "Shōgun" brought the term and
Samurai Warriors 4 death that leads to the Battle of Sekigahara and the extermination of the Toyotomi clan; and the "Sanada" story, which tells a parallel story with Unification but has a more personal insight with the Sanada clan. Musou Attacks now have new finishing animations separate from their Ultimate Musou, but they no longer allow free-action for their durations. Enemy generals still use the older shockwave finishers, and are no longer fully invincible for their durations (they instead are granted Hyper Armor). Like previous games in the series, the setting and story of "Samurai Warriors 4" is centered on the Sengoku period