Tsk! I am your Grandfather

When he was 5 years old, his mother was taken away, his glorious father was left disfigured making him a mad man. As if all of it weren't enough, Yichen was bullied with no one to save him. While he was on the edge of breaking up, help comes like a ray of sunshine. With this new help, he plans to get back together with his family and return things the way they were but a bigger purpose seems to have been waiting for him.