I don't know if this is going to play a prevalent role but I'm lost at something so Medaka and Zenkichi are parting ways because Medaka is going to take up the "throne" so to speak from her father, does that mean that the Jet Black Wedding Arc is now void? what I mean by that since Zenkichi "Won" at the end of the arc and ask Medaka to merry him she said yes blah blah blah is that now not gonna happen? that's the vibe I'm getting in the Bouquet Toss to the Future Arc, even though we are only two chapters in to it (which has an end of the series ring to it maybe its just me)
I don't think that is the case. I got the impression that she is simply moving on and Zenkichi is pulling a Mashiro's uncle from Bakuman and attempting to get to a place by himself so he can stand beside as some worth marrying her. I could be completely wrong though. For the last like five arcs at the end I never know if that is the last arc, so who knows.