I Just Want to Make Money, but Li Er, You Want to Be My Father

The protagonist, Pei Xian, is a time traveler in later generations. He is the eldest son of Li Shimin. He donated food to Li Shimin in Luoyang at the age of ten, relieving the Tang army from besieging Luoyang due to lack of food. He also helped Li Shimin seize Hulao Pass, defeat Dou Jiande, and force Wang Shichong to surrender. At the age of fifteen, he opened a restaurant in Chang'an and became famous all over the world for his poetry, calligraphy and sword dancing. He transformed paper technology, invented movable type printing, developed the pinyin recognition method, and wrote... "Hundred Family Surnames", "Three Character Classic", "Disciples' Regulations" and other elementary school reading materials. He created Pei Xue (science) and promoted literature and education. Later, he wrote novels, created soap, strengthened the army, enriched the country, destroyed the Turks, surrendered to Tibet, defeated Goguryeo, and destroyed the Japanese state. The Tang Dynasty became strong because of him, and the barbarians were afraid of him, but he only wanted to make money. Until one day Li Shimin came over and told him that I am your father. The protagonist complained that labor and management only want to make money but you want to be my father.