Pingtong smiled softly and pulled An Xiaotu over to join their game."That... I don't know how to play." An Xiaotu hurriedly waved her hand, saying apologetically."It's very simple, I can teach you if... "I bought you a Christmas present."After she finished speaking, she took out a red scarf from her bag. She tiptoed and Tang Yucheng bent down to cooperate, making it easier for her to put the scarf a...