Gu Cheng suddenly exerted his strength and dragged Sang Yu up from the ground before throwing her onto the floor.
"She is Sang Ran's daughter?"
After asking this question, Gu Cheng quickly denied the possibility himself.
Because it was impossible.
He had thoroughly investigated Sang Ran's circumstances, knowing the man had no women in his life, only relying on his only sister, Sang Yu.
Sang Yu: "..."
It was not...
Sang Yu dared not look directly into the man's eyes, afraid her thoughts would be seen through instantly.
"It's not..."
Sang Yu said hoarsely, "A daughter of an old friend, in short... it's none of your concern..."
Seeing Sang Yu's stubborn defiance, Gu Cheng spoke swiftly, "Zhan Lang!"
Following Gu Cheng's command, Zhan Lang nearly burst through the door, fully equipped and standing before Gu Cheng.
"Mr. Gu, what are your orders..."
"Send someone to check on Wenwen. If I'm not mistaken... she's the patient the Third Miss visited last time."
"Yes, Mr. Gu..."