Reincarnated Cat Demon: Join the Army in Place of His Father at the Beginning

The whole class is reincarnated! All the classmates became brave men, but Anke became a cat demon who joined the army in place of his father! Humans who never give up against monsters, arrogant and unreasonable demon chiefs, Encore continues to evolve amid endless challenges. A few years later, the classmates finally achieved some success in magic, and Anke has become the new devil...