420, treat a tree's disease.

No matter the method they used, pre-procedure fostering was necessary. While they were arguing, Gu Tao took his tools and went to the mountains.

"What are you doing! Hey! Don't mess around."

Crouching beside the ginkgo tree, Gu Tao's ears were filled with Xiaojuan's voice, so he simply put on some headphones and started scrapping away at the rotten parts of the ginkgo tree with a small shovel, diligently removing the dead insects and the wound's oozing black sap.

As he worked, Ai caressed Xiaojuan's hair as she lay in bed biting her pillow, clutching at the sheets, her calves tensed, her toes curling towards the soles of her feet. "This is treatment, just bear with it..."

Xiaojuan's breathing was rapid, her body twisting and contorting in pain, making it look like she was suffering yet not quite, but definitely in discomfort.