The former legendary mercenary, Ed, was fired for various bad behaviors. However, he met a turning point of his fate at this time. A beauty whom he fell in love with at first sight was accepting an A-level mission that required him to go to an extremely dangerous dungeon? Out of some unserious thoughts, Ed decides to escort the beauty to the underground city, where he can take possession of both the beauty's heart and the treasures used to pay off debts.
But as the adventure deepens, he gradually discovers that something is wrong? How did the one who was included in the bag become himself?
Unreliable mercenary x Shirakiri Dark Lord
Concept: "Alive"
