Description by Google Translate:
Zhao XiaFei had an accident due to being hit by a car and died instantly, but instead of dying, he instead got an AI system and he ended up living again ...
My guess:
I think the one with the glasses is the sexually violent girl. The killer is probably the girl who wants to cook.
The liar I'm sure is the girl who set up the rule about lying.
I think the silent girl and the office lady are the 2 safe ones. Silent girl might be just there to do...
Why make the MC pull a dumb move like expecting him to help? He's made it very clear he doesn't care much about anything or anyone.
I'm glad he had some sense no to blurt out what he wanted to say, in the classroom.