公爵家に生まれて初日に跡継ぎ失格の烙印を押されましたが今日も元気に生きてます！ raw 第01-06巻 [Koshaku Ka Ni Umarete Shonichi Ni Atotsugi Shikkaku No Rakuin Wo Osaremashitaga Kyo Mo Genki Ni Ikitemasu! vol 01-06]

Etois has been reincarnated into a duke's family in another world, but she was born with little magic power. Because of this, she has been branded with a "Disqualified" writing on her forehead!
One day, five children are gathered from a branch family. They are to serve as Etois' bodyguards until she turns fifteen, and the best of them will become the heir to the duke's family. But Etois has an amazing ability that she had forgotten about, but which was granted to her by the gods...?

Source : Pixiv