Munou Saijo wa Akujo ni Naritai: Gimai no Migawari de Totsuida Reijou, Koushaku-sama no Dekiai ni Kizukanai

• 無能才女は悪女になりたい ～義妹の身代わりで嫁いだ令嬢、公爵様の溺愛に気づかない～
• A Smart and Cute Falcon Cannot Hide Its Claws Enough.
• An Incompetent Woman Who Wants to Be a Villainess
• The Daughter Who Married as a Substitute for Her Stepsister Didn't Notice the Duke's Doting