Sasuke Sakura Game I Have A Question About The Video Game Naruto: The Broken Bond. Please Help!?

I have a question about the video game Naruto: The Broken Bond. Please help!? - sasuke sakura game

In the Xbox 360 game called Naruto: The Broken Bond, I use 1 more character in the path of struggle. So far the signs are already unlocked: Naruto, Sasuke, Sakura, Kakashi, Haku, Neji, Kiba, Shikamaru, Choji, Rock Lee, Orochimaru, Kabuto, Jiraiya, Tsunade, Sarutobi (3. Hokage) Kisame, Zabuza, Itachi, Tamari , Gaara, Jirobo, Tayuya, Sakon, Kidomaru, Kimimaru nine tails Naruto, Sasuke the second state (with the Curse Mark) Green Suit Naruto, Sasuke and ANBU. I know how to get the last character that I do not do unlock it. Someone please help! I really appreciate it, cuz its rlly listen to me rite now .. lol. thnxx. =]