But Liu Yuyan didn't know the conversation between the father and son, and didn't know what she would feel.

Perhaps, Liu Yuyan is already prepared in her heart. After all, no matter how beautiful she is, how can she fight against time?

Han Yufei's room was wide open.

Han Yumeng sat on the bed, barefoot, and was reading a book in her hand.

Han Yufei was sitting at the desk, writing something.

Han Yumeng usually likes to go to Han Yufei's room, and the two of them often sleep in the same room.

Han Songlin and Liu Yuyan naturally knew about this.

It is naturally a good thing that the two sisters have a good relationship.

"mom!"

“Come and eat watermelon and grapes.”

Han Yumeng stood up and picked up a piece. Seeing that Han Yufei didn't respond, she didn't care about her.

Liu Yuyan looked at Han Yufei and was immersed in writing, not caring.

He asked Han Yufei in a low voice: "What is Qiuqiu doing?"

"Prove the Riemann conjecture!"

Riemann guess!
Chapter completed!