C320 Huang's Birthday
This letter seemed to have been written by Xu Yinran with his left hand?
Whether it was Xu Yinran writing with his right hand or his left hand, the difference between the handwriting was not big. However, Zhao Yunwan had always known about Xu Yinran's habit, which even Xu Yinran himself would not be able to notice.
Even when Xu Yinran used his left hand to write "I"