Well.
Fuck.
I hope he stopped before the data was erased or her personality was formatted. Dunno if I could handle either option but at least she has the backup for some of the memories.
... She'll forget Super Mina though. That's sad. Cause that happened after she got a back up, provided the sister didnt come over and give her a bigger backup.
I hope the sister did that in between chapters but I doubt it. ;_;
Edit: If she does 'die' the tragedy tag should be added heh