In the real world, we always see bunches of evil assholes do every bad thing they can do without getting the punishment they deserve just because we are neither law enforcement officers nor lawmakers. However, we can still punish these criminals in our way. We will focus on murder, rape, political corruption, cruelty to animals, human trafficking, human rights violation, and crypto crimes these seven crimes. We will explain how we implement this step by step in the following. All community members will be divided into 4 roles – Yama, Hannya, Muramasa and Asura. Each role has its corresponding duty and reward.