The Luckiest MageThe Unluckiest Man Became the Universe's Most Evil Mage and Wants to Be Rewarded / The Luckiest Mage ツイてない俺は宇宙一極悪な魔導士になってしまったけど報われたい

I lived my life honestly, doing my best to help others. But instead of being rewarded, my life was a constant cycle of misfortune and unfair misunderstandings... After a tragic death, I, Kuroda Issei, was told a shocking truth as a soul. Due to a system error, my good deeds were inverted; the harder I worked, the more "unbeatable negative karma" I accumulated. To avoid Hell, I was reincarnated into the body of the "Black Mage," a figure feared throughout a magical world. Even worse, my new ability is a cruel irony, I can only gain luck by performing "good deeds." Despite looking like the ultimate villain, I face a paradox,I must do "good" just to survive. Determined to find my mother and return to Earth, I enlist the help of a female mage to lead the forces of evil and begin a grand reversal of fate. The curtain rises on an "Anti-Hero" fantasy where a man burdened with the worst karma must save the world!