C508 Let Him Suffer a Silent Loss

Sun Tiantian didn't care about Old Master Gu's attitude. "Grandpa, are you writing? Do you want me to grind the ink for you?"

"No need!" Old Master Gu frowned and got up to go outside.

Sun Tiantian followed Old Master Gu and tried to please him. Old Master Gu's attitude was cold, "I will go to the garden to take a look. You can go back