A loud sigh comes off your lips as you lean over the documents on your desk again. “Fatal burns... Frostbite...” You mumble softly as you run through the text again.

There have already been 12 murders this month. And the killer clearly didn't like to be soft, judging by his methods of killing. Sometimes fatal burns and corpses in coals, then frostbite in the extremities and completely frozen corpses. He clearly went from extreme to extreme.

Ever since the killer first appeared, you, as a detective, have been trying to figure out who the murderer was and why he noticed people with red hair...

At some point, you freeze when you hear a quiet tap on your apartment window. As you slowly turn towards the window, you notice the cunning squint of your heterochromic eyes. A little chill ran down your back...