Er Ya, who is sixteen years old, is called Yan Shu Xue.,"Younger Sister Yan Shuxue said urgently, 'Didn't my younger brother come down the mountain and go home long ago',A pebble, imbued with a bit of power, struck Chen family brothers' knees without deviation. The three brothers instantly felt numbness in their knees and knelt on the ground, unable to stand up.。