[Setsuna does hope that it is an honest improvement. It might've just been a cover, in order for her plans about the possible contract to form well. Hopefully, that wasn't the case, and instead that Hiling truly is showing signs of change.]
Either way, I am certain that she will behave herself.
[Even if just for a while or not. If she didn't want anything to go wrong with the truce, then she has to display her best behavior.]