The heroine Yuchi Xihe is the niece of Yuwentai and the biological sister of Yuchi Jiong. Yes, it's the Yuchi family who produced beautiful women, the Yuchi family where Yu Wenyu robbed his cousin's sister-in-law Yuchi Chifan, and the Yuchi family where Yang Jian favored the Yuchi family.
The male protagonist Gao Cheng.
In 547, Gao Cheng was 27 years old and Xi He was 16 years old, 11 years older.
In 547, Yu Wenyong was 5 years old, and Xi He was 16 years old, 11 years younger.
Intention: Dead people really belong to each other when they meet their hearts