I Reincarnated as an Incompetent Noble and Somehow Became the [Shadow Hero] ~The Villainous Heroines Who Should Have Had Worries Thank Me for Saving Them and Pledge Their Loyalty, But Why?~

Native title: 無能貴族に転生した俺が何故か【陰の英雄】と呼ばれるまで ~悩みを抱えていたはずの悪役ヒロインたちが、みんな俺に救われたと感謝して忠誠を誓ってくるんだけど、なんで?~