"Gritty Ninja was the type of ninja that seemed to be good at everything. He wasn’t particularly talented at anything. But the one thing that set him apart was that he just...never gave up. But once upon a time, Gritty Ninja was not always like this. He used to give up on things when he got bored, frustrated, or when it got too hard. Things change when a buddy introduces him to a strategy to help him grow grit and not give up. Find out what happens...