Yin Yang Coffin

My mother died just after I was born. My father died by suicide. My grandfather also used a meat grinder to chop his own hands. My uncle who adopted me was also killed by me. Because I am a lone star in the sky, destined to be lonely and helpless for the rest of my life. But my grandfather had great supernatural powers and sent me to the ghost king to raise me. I became the adopted son of the Ghost King. When I grew up, I killed the Ghost King myself...