The screenshot you posted has 2 options avaiable to choose from if some conditions met (here ang=0, dar doesn't matter).
I looked into the script
3.natethan_firstnight and these options, "
Nat calls Ethan being crazy" and "
Nat blushes" are indeed missing in the game.
May be
King B can enlighten this case.
Regarding the pictures that seems missing or not showing up in the game, this might be due to the fact that some scenes are not written yet.
I remember some Nat selfies not showing up in the game while texting with Matt (scene 31).