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Kaifu Yi and the three divisions are in charge of the military affairs at home and abroad. The general and Sima Lu are the ministers. The king of Wei is Jiuxi. The great Han Zhongliang Cao Mengde is discussing some matters with his dearest brother Xuande. Brother, your military advisor is good, but he will be mine soon. Brother, your general is good, but he will soon be mine too. Hey, brother, you still have two brothers who are good friends. Together with my brother, they are all mine!

After being reincarnated into another world and becoming the only devil in the world, Aslan infiltrated St. Teresa's Academy, a school full of talented girls. As a devil, as long as he signs a contract and develops someone into his vassal, he can share her natural abilities. Therefore, use the devil's strengths to serve, assist, support, and train them, and treat them as tenderly as Mephistopheles treats Faust. Improve her strength, increase your bond with her, and work together with them to achieve the goal of becoming a demon.