During the reign of Emperor Taizong, in the second year of Zhenguan, February.,Li Wangyu stood with a slight toothache in the bathhouse paved with blue stones, watching a young maid of twelve or thirteen years old struggling to move a large wooden tub filled with hot water and pouring it into the bathing tub.,Even Li Wangyu's maidservant, Peilan, was unaware that her mistress had a new soul.。