[Kim]

Originally Posted by phil_

IGN said that if you beat [not a boss semi-spoiler] the Bizarre Jelly game Travis has, then you get to watch an episode of Bizarre Jelly 5. So now we get to wonder about that five. I guess two more girls join in the second season. They hardly matter, though, as I'll probably just have Travis in a Cranberry shirt again.

I was looking up stuff on the "show", and it sounds like there are two other characters. The cute boy love interest or whatever, and someone who sounds like a rival, so that's probably where the five comes from.