Thank you very much for your share,
Raminita.
As for the public screenshots, it seems that MC and his psychic friend will go to their high school together to their graduation ceremony while Nicole finally seems to confront her husband, although I am very puzzled by the presence of a garbage container in such a screenshot. I suppose the couple went to an alley behind the high school to argue without anyone seeing them, but I'm surprised that Nicole dared to sit in an old chair so close to that dumpster, wearing an elegant suit that could easily get stained like that... or perhaps she is looking for a plausible excuse to justify some suspicious stain that she could not otherwise justify.
As for the first of the private screenshots, it seems that it is a flashback of the moment in which Nicole will surely relate what really happened after the cliffhanger of Part 11.
Finally, regarding the last of the private screenshots, it is obviously evident that it is confirmed that there will be a sex scene between MC and Nicole in one of his high school bathrooms. Taking into account their attire, I think this scene will take place after graduation, since MC will surely have gone to the bathroom to change into more casual clothes and there Nicole surprises him for an intimate encounter, perhaps encouraged by it after the discussion with her husband.
The mere presence of screenshots showing what appears to be flashbacks of what happened between Nicole and John after the Part 11 cliffhanger makes me assume that she will finally tell MC what really happened at that moment.
My first guess is that this confession would be made when MC is talking to Nicole at her house, and that would encourage them both to want to have make-up sex right there (and the background of that screenshot shows Nicole's kitchen, a strange place to do it if they know Chloe is in the house, unless they are both listening to Chloe taking a shower upstairs and know that John won't be coming home at that time).
However, that new public screenshot showing Nicole arguing with her husband John makes it impossible for me to rule out the possibility that Nicole confesses to MC what really happened that night in the bathroom scene, which would lead to the sexual scene that we see in the private screenshot.