Tang Yixin is half-tied in a ponytail, very beautiful! Tang Yixin is half-tied in a ponytail, very beautiful! Tang Yixin is half-tied in a ponytail, very beautiful! Tang Yixin is half-tied in a ponytail, very beautiful! Tang Yixin is half-tied in a ponytail, very beautiful! Tang Yixin is half-tied in a ponytail, very beautiful!