Grave Cage

My name is Wu Xin. One day I suddenly realized that something was wrong with the world and my heart was gone. Where did my heart go? My name is Wu Yong, I am Wu Xin's biological father, my good son, have you found your heart? Hehe... My name is Zhang Xiaohua, and I am Wu Xin's half-brother. Don't be afraid, brother, I will always be with you...