This Life to the Next summary:
Isaeng and Jeongto were inseparable childhood friends until Jeongto’s father died tragically at the hands of a bitter soul. These two friends reunite ten years later as adversaries: Isaeng guides souls to the afterlife, while Jeongto gives souls another chance to live. After all this time, can these two work out their issues? And what do the Kings of Hell have to do with all of this?