I was told ‘die instead of her"Omae ga Kawai ni Shine" to Iwareta Watashi. Imouto no Migawari ni Reikoku na Henkyou Haku no Moto e Totsugi, Shiawase wo Teniireru ; 「お前が代わりに死ね」と言われた私。妹の身代わりに冷酷な辺境伯のもとへ嫁ぎ、幸せを手に入れる