After the cliffhanger it is still ambiguous to me which way MC is going to take.
On first glance with his passive way to not react at all to a crime that was done to him it feels as though this "relationship points" mentality will lead to him just taking that "punishment" without repercussions.
A mentality I believe that would bite him in the ass later on as it will definitly lead to more misunderstandings and will definitly not earn him "relationship points" with anyone.
However this "relationship points" sentence could also mean, that he fully expects that some girls will definitly be on his side in the fallout of that situation and he could therefore "earn" those points with them.
But the way I perceived MC up until now is he meant Nadja and Robin in that case.
He has a huge (psychological) leverage against them right now.
True they could just claim that it was someone else, that handcuffed him there or hope the MC doesn't say anything but the odds are against them right now.
Zara probably couldn't care less, as I don't think she really thought this through (and she knows MC the least).
Which leads me to the main point of my prediction:
The domination points have to have an impact somewhere if the lewd scenes will take years to come.
So they have to impact social interactions as well.
MC with submission points will probably just take it without doing anything about it but with domination points he will definitly take revenge.
If that prediction comes true, than I expect Nadja to be the first who gets hers.
She severely underestimates MC and probably expects MC to just let everything go but at game night there will definitly come a situation where he is alone with her or where he can embaress her in front of her friends. (which would start a circle of hatred which most likely isn't a goal of MC)
My guess would be that he would want to have leverage on her as she is well connected at school with several of his own friends - so he has to intimidate her in some way and not embaress her (a dish best served cold)
As she was featured quite heavely up until now with lots of fanservice I predict, that she will play a big role in the future and my hope would be that she either frees MC later herself or gets to feel the wrath of MC with dominant points.
Robin will either try to make amends with MC or he can make her life at school hell if he plays his cards right.
But my guess would be that he wants to have her as an ally or at the very least on his side when this photo comes out - regardless of his feelings to her ... and even there I fear that he already forgave her. (dissapointed smiley)
She will definitly not help MC herself as she is too ashamed of herself at that scene imo.
Zara also underestimates MC but she also showed to want MCs D quite badly.
She built up a rough exterior but it will definitly crumble - again if MC plays his cards right and utilises his dominant points.
And if everything goes downhill he will definitly have the squad on his side (Nami, Mila, Victoria, Maja, Nia and Bella on her path) and he could earn points with them if he handled the matter peacefully on the surface.