Fighting and Fighting, Sister Loves Me Again

(Beautiful, powerful and miserable + redemption + double purity + sister dog literature + six years age difference) [First life: the cold and powerful princess who protects her shortcomings × the arrogant, wet and quarrelsome young prince of the previous dynasty] Xiao Changxi is the eldest daughter of the Xiao family. At the age of fourteen, she followed her brother to end the chaos of the previous emperor. Her brother ascended the throne and the country was peaceful and the people were peaceful. What puzzled everyone was that their wise eldest princess actually brought back the little prince who grew up in the cold palace of the previous dynasty. He said that he had too many sins to kill and accumulated virtues...? Some people say that the eldest princess is a good husband, but one day, a certain tea hugs the eldest princess's waist and says, "I am still alive and well, but there are always people who want to curse me... My sister is obviously a lucky star, but those people are not lucky!" Everyone was stunned, "You are not the husband of the eldest princess..." [Second Life: Tsundere and Slightly Poisonous Hard Candy Sandwich Proton x Her Royal Highness the Princess who is gentle and transparent and has a clear distinction between love and hate] Cui Yingyu was the emperor's favorite princess. She was frail since she was a child and left the palace to avoid trouble when she was young. The year she returned to the palace, her royal brother led a group of people around a child and beat and kicked him. She learned from the maid that they were the protons sent by the Yan Kingdom after its defeat. Bullying proton... How will the outside world criticize Daliang if this spreads out? … Mu Yansheng had a fatuous and lustful father, and the little love he had when he was young came from his mother. Unfortunately, the only person who loved him later was also killed... He was sent to Daliang as a hostage, and met the moonlight that was difficult to touch in his life. He thought it was God's mercy, but later he found out that it was love again... He wanted to fight for the right to stand beside his moonlight. (Additional sentence: The princess was born to be an emperor!)