>>4433246
Obviously it's early on. It's the establishment of the group and their in-group hierarchy. Even if you truly think Utena grew a lot, so did Korisu. But if you don't think this still holds true further into the volumes, might I present you with Exhibit B. In this example we can still see that Korisu is above even Utena's Ultimate Form. She escaped the attack and even organised a recovery station for her teammates. She is clearly a top on top of tops. One silent glare and a conscious Utena will fold quickly. There is no power struggle if Utena can't even muster enough strength in her unconscious form to be a domineering threat to Korisu.
I await your next objection, which will be fruitless.

I imagine Kiwi would get extremely aroused if Utena did try to fight against Korisu's dominance but fails at the end. Because that would make Utena more human.