C212 -my Second Brother Helped Me Design It Back Then

At night, Yinn Qingning told Si Han about the idea she had thought of with Nan Yaoyao.

After Si Han heard it, he immediately raised his hand and passed. "The idea is not bad, but have you thought about what the auction items are going to be auctioned for?"

"Nan Yaoyao said she can take out the stones Lianrong gave her." Yinn Qingning thought for a while and said