Onechanbara Z2: Chaos (お姉チャンバラZ2 ~カオス~, OneeChanbara Z2) is a 2014 hack and slash video game developed by Tamsoft. Part of the Oneechanbara series, it is the sequel to the 2012 Japan-exclusive Xbox 360 title OneeChanbara Z ~ Kagura ~ (お姉チャンバラZ ~カグラ~, OneeChanbara Z), and the first game in the series to be localized since Onechanbara: Bikini Samurai Squad and OneChanbara: Bikini Zombie Slayers in 2009.