Issac Silver, a powerful demon from the demon planet, wanted to eliminate evil so he became the demon god of death and murdered and collected the souls of people who had done bad things, anyone who commits evil deeds will be killed by Isaac, then deprived of the soul. He wears a black shirt with two white stripes on each side and a pair of black jeans, which may resemble a black tracksuit, has long red hair and has black horns. He often uses a scythe as a weapon to fight or deprive souls