Futago Ouji no Mamahaha ni Narimashite: Kiraware Akujo desu ga, Sonna Koto yori Musuko-tachi ga Kawaisugite Komarimasu

"I'm going to be the next queen...?! I may have 'devil-black hair,' but I'll raise these two angelic twins to be splendid adults!" Since childhood, Julia has been discriminated against by everyone, including her family, because of her hair color. In the past, those with black hair have committed many horrible deeds, and this prejudice runs deep within the country. Because of this mistreatment, when she awakens her magic and special power, she keeps them hidden so she can live a peaceful life. However, things don't go according to plan when King Louison chooses her to be his next queen?! What's more, he wants her to raise his twin sons as their stepmother?! At first, she wants to turn him down, but upon meeting them, they're too adorable to resist! Julia feels for them as they possess no magic and will be looked down upon should the public learns their secret... Determined to protect the twins from the awful prejudice she faces, she accepts King Louison's offer. "I'm going to protect their smiles!" The curtain rises on this heartwarming fantasy tale about raising two angelic twins with overwhelming family love! (Source: MangaPlaza)