单身女性与大型犬

Someone came over, and Ning Cheng quickly raised his hand to grab it. When he raised his hand again, there was a black sandstone in his hand that was only the size of a longan. To be precise, this is a sandstone the size of a dragon's eye, but exactly the same shape as a dragon's scales. It's not a bad idea to say it's an infinitely smaller dragon scale....