Romances that warms my little heart

Leah, the eldest daughter of the Hildebrandt family, is very popular in society for her beautiful appearance and good manners, but she has a problem she can't tell anyone about. Her brother, Richt, who was the heir to the family, left behind a letter saying he would come back after becoming a great man. As it is not known whether Richt is dead or alive, and since her father suddenly dies, Leah decides to find a partner for a political marriage...