Hametsu Yotei no Akuyaku Reijo Nanoni Rasu Bosu Koshaku to Konyaku Suru desu ka!?破滅予定の悪役令嬢なのにラスボス公爵と婚約するんですか！？; Hametsu Yotei no Akuyaku Reijo Nanoni Rasu Bosu Koshaku to Konyaku Suru desu ka!?; Hametsu Yotei no Akuyaku Reijō nano ni Rasubosu Kōshaku to Konyaku Surun desu ka!?; I’m a Villainess Destined for Ruin, So Why Am I Getting Engaged to the Final Boss Duke!?; I’m a Villainess Destined for Destruction, Yet I’m Getting Engaged to the Final Boss Duke!?; The Doomed Villainess Is Engaged to the Final Boss!?