C605 The Most Beautiful One

"I'm sorry, Mr. Li. Tuan Tuan suddenly came to me. Something happened on the way here, and he hurt his arm. So I took him to the hospital to bandage his wound. " Xi Yan was a person who didn't like to laugh, but in order to help Tuan Tuan... To gain the good impression of his teacher, he actually smiled at a stranger for the first time in his life.

Although Xi Yan's smile was very faint