User blog comment:Hakuryuu12345/Help in Inazuma Eleven Go Strikers 2013/@comment-4572171-20121229144408/@comment-5262822-20121229145211

In the story mode, go to the pink icon, then to the icon with a thunder and then there will be 2 trains that increase the friendship more than the others. That trains are the first one (where you must pull the Inazuma Caravan) and another train where you must shoot the ball to a tree.