C767 Yin Yang and Five Elements Needles

The next morning, Li Su was still sleeping when she was awoken by a knock on the door.

"Who is it?" Li Su rubbed her sleepy eyes as she opened the door.

"This old man has disturbed you, please forgive me, Godly Doctor Li." A ruddy old man stood in front of the door, two people, Shen Tian and Shen Tian, were behind him.

Li Su steadied her eyes and looked, Shen Tian said