Even Though I'm a Former Noble and a Single Mother

Moto Kizoku Reijou de Mikon no Haha desuga, Musume-tachi ga Kawaisugite Boukenshagyou mo Ku ni narimasen
元貴族令嬢で未婚の母ですが、娘たちが可愛すぎて冒険者業も苦になりません

Adaptation

I May Be a Former Noble and Single Mother, but I Make Adventuring a Snap Since My Daughters Are So Cute!
Moto Kizoku Reijou de Mikon no Haha desu ga, Musume-tachi ga Kawaisugite Boukenshagyou mo Ku ni Narimasen @COMIC· 元貴族令嬢で未婚の母ですが、娘たちが可愛すぎて冒険者業も苦になりません@COMIC
manga

Once upon a time, Shirley, a former noblewoman, lost everything for a crime she did not commit and was exiled from the empire. Now reborn as an immortal, she has become a skilled adventurer, capable of decapitating disaster-level monsters and slicing ancient dragons in half with a single stroke. Her true nature, feared as the "The White Shieldmaiden," is that she is incredibly doting on her children!? For her beloved twin daughters, Sofie and Tio, even her adventures are no problem! Ogres flee and dragons tremble in this doting adventure fantasy of the strongest sword demon! (Source: Manga Mirai)