Yang is one of the two spirit guides assigned to Kazuki. Yang has a cool older brother type of relationship with Kazuki. Or that type of friend that is so cool, nothing can touch him. Yang doesn't really stop to think about what he does or how he guides Kazuki; He's that confident. Yang always wants Kazuki try new and exciting things. And that sometimes causes a ton of trouble for Kazuki. The best way to describe Yang's way of guiding Kazuki through life is: there's always a method to his madness.