The only enemies left alive is Bai Yin (apparently) and Masaru's dad that it seems to me is a different person. In the end, the automata were already defeated many years ago, ironic.
@bobo I admit i forgot exactly who is who about those two, but i swear in my mind Bai Yin is the mad brother, well is night now were i am so I will leave to check the past chapters other time.