phenomen a book

Who is Li Shimin? The famous Tang Taizong, one of the most famous emperors in ancient China, but——he''s just the protagonist''s older brother. The Tang Dynasty produced many beauties, Yang Yuhuan, Wu Zetian, but——they''re just the protagonist''s admirers and younger sister. The laws of the Tang Dynasty were strict, but——the protagonist can still find loopholes, doing good and evil, playing with the Tang Dynasty, not an official, not a merchant, nor evil, yet still invincible in the official circle, business circle, battlefield, and love scene. Who is this person? Ah~ The "villain" in front of you is him, called Huo Xiaoqi Hehe, he''s a time-traveler*