I can't say much about the upcoming chapter (obviously), but let's say that the things in there obviously will get more explained. And within the MC, she was actually becoming more annoyed and tired (she says that during one of the character's introduction) as things were coming, especially during the group "argument".
And for the DRIS part in your rating: I only used it as an example, since it was made in renpy, and it was more for the controls thing than the story or anything.