Tomokui Kanata has been re-incarnated into the weakest race, goblin, and given a new name, Rou, after having undergone an unfortunate death. However goblin Rou has retained his previous life's memories, an unusual evolution, as well as blessed with abilit

As a promise, he went out into the world as a murderer. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research