C119 It Seems like a Cold War

"Why didn't you tell my grandpa's birthday?" Gu Jiajia questioned Pei Zhen as soon as she got in the car. This was outrageous. Why didn't she remind herself of such an important matter?

"I wanted to tell you last year, but you were back in Germany by then." Pei Zhen said. Grandfather's birthday is on the fifth of January. "

"What?" After hearing what Pei Zhen said