The Love of a Cold-Blooded Killer

The descendants of the top four families in the world, who are also the top four killers, got engaged under the arrangement of the family! Still living together. Two big icebergs together don't freeze people to death. There are also two couples who almost always quarrel when they meet and miss each other when they are apart. What will happen in the end. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.