Gokuaku Hidou na Seiheki Kizoku ga Doryoku shitara Seijitsu Harem Tsukuremashita

A man is reincarnated as Wraith Validoor, an extreme masochist villain from a game he used to play. He decides to train in magic and swordsmanship to resist his own downfall. Heroines from the game start to appear, including the main heroine destined to defeat him.