One of the seven strongest people on the continent, the King of Mercenaries. He started a war to avenge his fallen family and destroyed territory but failed and lost his life. However… “Wow, I’m alive?” I returned to the past, back through time. A perfect opportunity to right my regrets and reverse everything. It doesn’t matter if people around me point fingers, calling me a scoundrel, or dismiss me as tr*sh. Because… “I’ve got a plan.” “What plan?” “A plan to destroy everything.” There won’t be a second failure. This time, I’ll wipe out all my enemies. …But first, I need to rebuild this damn estate.

Raniel, the promising wizard and the prospective owner of the most renowned magic tower in the kingdom, gives up his title and leaves to join a heroes’ party led by Kyle, the warrior. Along with the other members, Raniel sets out on adventures to slay the Demon Lord—the evil being who trampled his village long ago. He spends four years defeating the dark forces and grinding half of his life to save his team, only to find out that his effort has been in vain. Kyle suddenly kicks Raniel out of the party one day, claiming that their goals are different. Devastated after getting betrayed by his team, Raniel decides to return to the tower, but things grow worse when he runs into a succubus queen on his way back, gets cursed, and realizes… he has turned into a girl?!