this world is full of traitors.It is absolutely intolerable that traitors entered this country and created chaos by spreading bad rumors. Hadest military company is the strongest military organization that has existed for hundreds of years. In the year 103, the enemy cheated by performing a demon summoning ritual to help smooth their attack. This was noticed by one of the nurses on duty and immediately reported it. Eventually, the military organization did the same thing with a demon they summoned. The demon demanded human blood in return for every attack she launched. And that still applies today. ... It doesn't feel like it's been almost 300 years since this military organization was founded. But those traitors are really cunning. They use the contract with the demon to mess up this country. Reiden is a colonel who is assigned to headquarters to formulate strategies and carry out missions. He has served in the military for 20 years. This was not because of his own desire, but it had been passed down from his family. ...