We Are in Daqing, and Li Hanyi Protects the Road at the Beginning!

Li Chenghan traveled to a world of comprehensive martial arts where the martial arts worlds of Qing Yu Nian, Boy, Xue Zhong, and Qin Shi merged, and became the fourth prince of the Qing Kingdom. Before he was born, he had already been assassinated by various poisons. Fortunately, he had the system with him. Not only did he not die, but he activated the most powerful protagonist system! As long as you have enough reputation, you can designate anyone to bind the subsystem and work for him. For example, Baili Dongjun, Li Chungang, Li Hanyi, Yuan Tiangang... So, he bound Li Hanyi at the beginning! System binding successful! You have a new mission! Main mission: protect the four princes of Qing Dynasty for ten years! After accepting, you will get the reward: Sword Immortal Realm! So, when the protagonist is born. A magnificent voice sounded from the Qingguo Palace. "Beili, Xueyue City, Xueyue Sword Immortal, and Li Hanyi came to Qingguo to protect the fourth prince!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.