I would argue that Nanase is TECHNICALLY lying by masking how she feels here.
I mean, as in I would argue that here, in this commentary.
I would not actually argue that with Nanase.
Making characters in TableTop RPGs can take a long time if you're doing it from scratch, so it makes sense that they at least use templates for the nonsense they're getting up to here.
Roleplaying is only as much like acting as you want it to be, and even then, it's improvisational acting. Nonetheless, discomfort with one could overlap with the other.