In my opinion, the producers of Bakugan series never mean for Shun to have a relationship with any girl. In the beginnning, they would describe him as a aloof, distant and cold young man without emotion. When he finds out Alice is Masquerade will be where those straits rise highest, because he will mostra himself as cold as ice, without mercy, they didn't expect the audience to think of Shun as a loving man with his cold side shown and his soft side hidden.

In season two, the scene that is most argued over is episode 10, in which Shun really speaks to Runo with care and passion. This maybe the...