How does Ren feel after he learns about what happened to the detective who was assigned to catch him? The detective who wasn't only the person putting him behind bars, but the one he fell in love with. Does a heartless and cruel serial killer feel any kind of regret and sorrow when he overhears a conversation about the only person he was able to show some emotions towards or will he act the way he always did, cold, nonchalant and strong? Was the love he felt towa