Not only did she notice Minori was in a call with Waku and not freak out, she didn't hang up the call. Doing that would have been entirely reasonable and understandable; both were already asleep, why not preserve battery by turning off the camera?
Plus, she's displaying zero antagonism or hostility towards the situation at the end. She seems to have even clued in on the kids' mutual feelings when they themselves haven't.
Plus, she's displaying zero antagonism or hostility towards the situation at the end. She seems to have even clued in on the kids' mutual feelings when they themselves haven't.