What's Your Family Name?

From afar, Yao Si could vaguely spot a shadow emerging into the skies. It kept increasing in size, occupying up to half the sky in less than a second. Only when the foliage started to peak through did she manage to make out the image—it was a tree, a gigantic one. 

Besides, it seemed to be growing in all directions, even the grounds started to shake from it's growth. 

Yao Si inhaled deeply. "Run!" She grabbed onto Lian Yu and dashed away frantically. 

Maybe due to the appearance of the tree, they found a way out of the originally closed off road. The ancient-looking yard had turned into a barren land, with nothing but the tree's roots. 

"What exactly happened? What's wrong with the tree?" Yao Si asked through her pants.