The Villains I Taught Became Heroes is a captivating Korean web novel that delves into the fantasy and harem genres. The story follows the protagonist who teaches villains to face the truth of their actions, only to witness their unexpected transformation into heroes. With elements of a fantasy world and a male protagonist, this novel explores the themes of redemption and personal growth as characters are transported into a game world, creating a riveting narrative that keeps readers engaged till the very end.