Mu Jiuqing

[School + Machiavellianism + Defending the family and the country + Childhood sweethearts + Two-way secret love] We spent many years together as children and secretly admired each other. After three years of not saying goodbye, they met again and conspired to get married. They are childhood sweethearts and a match made in heaven. "Haha, brother Mu Yang, he's climbing the wall again!".... She was the only daughter of the prime minister, loved by her father, protected by her brothers, and enjoyed all the pampering. She lived a proud life and was indifferent to outsiders, but she was extremely soft and tender towards him. It turned out that she had fallen in love with him unintentionally. He calls her an elder brother, gets close to her unintentionally, and is careful from time to time, in exchange for "taking his surname and taking her name." The male and female protagonists are childhood sweethearts who only love each other without abuse.