I don't think Nomamoto has had much of a personality beyond being happy to eat aliens or being annoyed when she can't which is funny because 90% of the controversy that this manga had was from stuff that she said
So my prediction is that Anna will struggle with how she feels about doing those scenes for most of the volume. Obviously she's uncomfortable, but she's torn because she wants the drama to be faithful to her favorite series and would hate to be a burden that causes the show to change things...
Tarte may have worked hard too but he had no drive to improve like Figo did. All he was doing was what he was taught without thinking on his own while Figo learned how to improvise and adapt, which is why he lost the fight.
It's kinda refreshing that Asura isn't some sort of schemer, he's a zealot who genuinely believes in what he's doing and doesn't see it as something to hide.
Anyone worried that his sister was gonna get damseled to extend the arc can rest easy. If you've read Iruma you could probably guess it was gonna be an opportunity for character development.
As soon as this manga tried to have every girl in every chapter it was doomed. It would've done much better if it was closer to MarriageXToxin where each girl gets a big mystery arc before going away for awhile. Would also help if there was some sort of end goal.
If you like the running gag you'll probably like the spin off since it's probably gonna be that 90% of the time. The title is "My Teen Romcom won't start!" after all