So... basically Terminator. But with more good Terminator-chan. Alright this went from mildly interesting in the first few chapters to really generic garbage. Hopefully the rich girl can save the story a bit.
This is basically like what would happen if Five Night At Freddy's has robots that looks like teenage girls and Jun was the owner, right? Any intruder are disassembled and used as parts for the robots, right?