Complete story missions to unlock. The wife of the fourth generation Minato Namikaze is Kushina. Kushina needs to be unlocked by completing the plot mission of Minato Namikaze in "Naruto: Ultimate Storm". "Naruto: Ultimate Ninja Storm" is a fighting game developed by CyberConnect2. It is one of the games in the "Ultimate Ninja Storm" series. The game was released on September 11, 2014.