They both are same. Both are in set up of josean historical era. The main lead is a crown prince.
In both of these, crown prince's personal guard dies. They both includes a dangerous plaque which is across the country.
Due to the plaque, humans were turning into zombies who crave for flesh and blood. Both of them have same situation, i.e.,survival.
Everyone is fighting for their life. There is conspiracy between ministers to become king.