In the given novel information, there were the following female protagonists 'names: " Ye Xiaoyou,"" Bai Xiaoyan,"" Chen Chuxin,"" Xun Jiuge,"" Gong Jiujiu,"" Lu Jiujiu,"" Han Jiujiu,"" Jiujiu,"" Lu Jiujiu." Therefore, he needed to specify which female protagonist's name was " Jiu Jiu ".