The Tyrant's Sweet Little Sweet Bunny

Although the heroine is a princess, she lost her mother when she was young. The emperor wants to make up for the child, but others are jealous of her. In the end, she becomes a bargaining chip to borrow troops from neighboring countries. The male protagonist saw that people's hearts are dirty and sinister from a young age. Although he grew up to be a king who managed the country well, his cruel methods also made him a tyrant passed down from generation to generation. When the male protagonist met the female protagonist when he was young, he regarded her as his light. Although there were various misunderstandings between the two, they also became each other's medicine.