1-nen Kagiri no Keiyakukon (Koushaku-sama no Dekiai-tsuki!): Eiyuu no Keibo ni Natta Watashi wa, Douyara Seijo no Matsuei no you desu

Flora, a baron’s daughter, lost her parents at a young age and has been treated little better than a servant in her uncle’s household. Just before turning eighteen, she is ordered into a political marriage with a count old enough to be her grandfather. Desperate to escape the engagement, Flora runs away from home. However, during her escape, she becomes unexpectedly involved in a strange incident when an unknown woman entrusts her with a baby. Then, after meeting a beautiful noble searching for the child, Flora’s fate begins to change dramatically—?!.