Koushaku-ke ni Umarete Shonichi ni Atotsugi Shikkaku no Rakuin wo Osaremashitaga Kyou mo Genki ni ikitemasu!
Alternative title: I Reincarnated into a Ducal House and Was Immediately Branded as Disqualified to Be the Heir, but I'm Continuing on with My Life!, The Day I Was Born Into a Ducal House, I Was Branded as a Disqualified Heir, but I'm Still Living Well to This Day!, 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！
Story Overview
Although Etois was born with limited magical ability, she has been reincarnated into a duke's family in another realm. She has been marked with the words "Disqualified" on her forehead as a result! Five kids from a branch family are together one day. The best one will inherit the duke's family, and they will be Etois' bodyguards until she is fifteen. However, Etois possesses a remarkable talent that the gods bestowed upon her but which she had forgotten about.