The Villainous Me Turned the Losers into Blackened Bosses

Will, a seasoned game designer, found himself reincarnated as the disposable villain in a cliché “kicked out of the party” novel. Faced with his inevitable tragic fate, he had one ambitious dream: to turn the pitiful “losers” from the protagonist’s harem into terrifying blackened bosses who would torment the protagonist! He taught the timid and cowardly wolf-girl maid to imprison the one she loves forever by her side. He trained the tsundere, sharp-tongued loli witch to make her beloved see only her in his eyes. He guided the cold and clueless half-elf princess to use… — — Description from novelcodex.org