The friendship between a noble man, Carcel, who is a descendant of a famous family in the kingdom, and a girl, Liona, who is descended from a commoner. The friendship that started when the girl helped the boy when they were 10 years old, eventually made them friends until they were 23 years old. as usual, Carcel must marry a noble girl to continue his perfect family. However, because he has a rude and arrogant nature, not many girls like him. what will happen?