Tang Dynasty: I Will Sleep with You in Pingyang, and I Will Become Taizong's Brother-In-Law

[Travel time + no system + soft food but hard food + daily life + Shura field] Chen Xian traveled through time and became a tenant in the village of Pingyang Princess Li Xiuning. He was called to sleep with Li Xiuning. As a result, Li Xiuning put on clothes and refused to recognize anyone. Chen Xian could only fight back and a conflict broke out. Then in the prosperous Tang Dynasty, Chen Xian planned He served Li Xiuning well and lived a leisurely pastoral life, but all kinds of troubles came one after another. He wanted to help Li Shimin solve the troubles, help Li Shimin pacify the Turks, destroy Tuyuhun, manage the Western Region, and govern the barbarians.