I Was Reincarnated as a Villainous Aristocrat Who Becomes Stronger Than the Protagonist With the Knowledge of the Game – I Was Just Trying to Became Stronger, but the Heroines Seemed to Be Acting Strangely…?

Native title: 悪役貴族に転生した俺はゲーム知識で主人公より強くなる〜そうしてひたすら強化していただけなのに、ヒロイン達の様子がどこかおかしいのだが？〜