Ok first I do not know how i did this but u have to go to the lookout tower and get to the bottom lvl of it then on the left tree use a subtittution justu then fall then the screen should flicker and ur character will be able to change any time u want it to by pressing the t angle botton the only bad thing is u can do any special justsu but u can change into anyone u have unlocked example naruto into saskue they go in order hopfully itll work for yea