Save the World, but Biyang's Teammates Are All Villains

An ordinary young boy suddenly entered a chat group called the Savior, thinking that he would start a wonderful epic adventure. But... What does it mean that you are a traitor possessed by a nightmare? What does it mean that you are a sinner who has violated the Ten Commandments? What does it mean that you are the ultimate weapon to destroy the world? Wait, is there no normal person in this group? Fortunately, there is a magical girl who protects justice. ? You said that you are actually a puppet driven by hatred, and you may turn dark one day. Biyang, do you think you are the savior? "I think we are" Destroy this world