This time, I'm going to hit them back exactly and equally. Alan, the second son of a marquis who is treated unfairly because of his Hazureskill, remembers how he was mistreated in his previous life when he was expelled from his home for a crime he does not remember. The ability of the hazing skill awakened along with the memories of the past is "Reverse. Alan reverses his aptitude for swordsmanship and magic, which had swung to the negative, and moves closer to being the strongest. The chairman of the board of trade is watching his step, the receptionist is vicious, and the nobles wield power.... He easily brushes aside the absurdities he faces one after another, sometimes saving those who are oppressed like himself, while leading a carefree life. In this exhilarating story of a life "turned upside down," he lives as he pleases in an unreasonable world!