My Tsundere Little Sister

Ding Yunling is Ding Chengxin's biological sister. Ever since Ding Chengxin went to Shi Fengjun to become a trainee, she and Ding Yunling gradually began to alienate. Later, after Ding Yunling went to study abroad, there was even less contact. Even if there was, Ding Chengxin would unilaterally send her messages. Three Ding Yunling returned to China a month ago and stayed at home for a few days before going to work in Xiamen. She met many friends in Xiamen, such as K and K's sister-in-law, Sun Ensheng, Han Wenxu, Xiao Huangdou, and Princess Jingjing. They all like to call her Ding Yunling (Zhizhi). A month later, the Sixth Anniversary Concert of the Times Youth League...