I Am the Great Master of Righteousness

When Wu Ming woke up from time traveling, he found that he had become a bully! Σ(ŎдŎ|||)ﾉﾉ There is actually a benefit for time travelers - the Righteous Grand Master System! You still want to be a good person? ! Emmm, when it comes to self-cultivation for a good actor, isn't it just about delivering justice to bullies? I probably... Can do it? Here comes the new world!