Wu Guotai (onyomi: Go Kokutai) is the fictional younger sister of Lady Wu and Sun Jian's second wife. In Romance of the Three Kingdoms, she is mother of Lady Sun and Sun Lang who endorsed her daughter's marriage to Liu Bei against Sun Quan's wishes. Her illness and death induced her daughter to return back to Wu, carrying along the young Liu Shan. She placed twenty-fifth with fans in Gamecity's Shin Sangoku Musou Blast first card promotion poll.