C422 It's Fine as Long as We Are Together

Gu Xiashuang looked around but didn't see Zihao.

Lingling heard Gu Xiashuang's words and also looked to the side. Previously she was puzzled but then she suddenly lowered her face and asked Yue Cheng, "That Zihao, is he studying very seriously again?"

Yue Cheng helplessly nodded, "I just knocked on his door, but... he did not answer. After I knocked many times