C73 I'll Only Say It Once

Three days later.

When Meng Wanchu woke up, it was almost eight o'clock. Last night, Gu Hanchen had played until late at night. She was very tired and wanted to rest, but her mind was always thinking of something, as if she had forgotten something important.

But what had she forgotten?

Meng Wanchu raised her hand and pressed it on her forehead. After about half a minute