Five thousand years ago, the chaos in the underworld began, and various monsters and ghosts were born, seeking greater status and power, causing turmoil in the underworld and devastation of all living things. Until two thousand years later, two powerful families, the Flame Clan and the Nether Clan, who had been friends for thousands of years, each gave birth to a boy and a girl. The two were gifted and became childhood sweethearts. The two families originally planned to unify the underworld after they got married, but something unexpected happened on the wedding day...
Purpose: Love and growth