Senjou no Seijo: Imouto no Kawari ni Koushaku Kishi ni Totsugu Koto ni Narimashita ga, Ima wa Shiawase desu
The Battlefield Saint: I Was Made to Marry a Duke Knight in Place of My Little Sister, but I've Since Found Happiness · 戦場の聖女〜妹の代わりに公爵騎士に嫁ぐことになりましたが、今は幸せです〜