His Immortal Majesty— Episode 15

A being older than gods awakens once every fifty years—for ten years of fun. He rules the Divine Court, with four lieutenants holding power over war, wealth, beauty, and fame. Before his last sleep, a family head playfully promised him a granddaughter. Now he's back. That family has betrayed him. The granddaughter tears up the engagement. They have no idea who they just crossed.