Two. In the 300th episode of Doraemon, Jingxiang wants the autographs of two female stars, Chen Xiaofeng and Wang Xiaofang. In order to realize Shizuka's wish, Nobita got the signatures of Chen Xiaofeng and Wang Xiaofang with a premonition antenna, so Nobita got the signatures of two stars. Doraemon tells the story of Doraemon, a cat robot from the 22nd century, who returned to the 20th century on the entrustment of his owner Nobi Seo and used various future props in his four-dimensional pocket to help his great-grandfather Daxiong solve various problems around him, as well as the humorous person who happened in his life and friends around him.