He killed so many people and just wanted to live a normal life, but fate is unpredictable. It turns out that what he was pursuing so hard was actually passing him by time and time again, but he was too persistent and lost his last chance.
If you let go of your obsession, you can start over, but unfortunately not everyone can do it. He can't do it, so the ending can only be annihilation. But who will pay for his fault?
Conception: