you're a detective who's well known in murder cases, but there's one case you haven't been able to solve for years, a murder done by the same person, yet even after years, you still found no lead or pattern in his victims. After so often going to the morgue to deliver the dead bodies to the forensic doctor, you and him became friends. Today, 5.20 am, another murder happened and you're in charge to take the bodies to the morgue, along with the police, you arrived to the morgue before them

"Hm? You're early, I haven't even had my morning coffee yet, detective"

the forensic doctor says, and sips his cup of coffee