The Spiritual Path of Inner Demons

People are divided into good and evil, good people become immortals, and evil people become demons. But no one can make mistakes without being a sage. If you want to become an immortal, you must get rid of your own evil, that is, your inner demons. When an inner demon unexpectedly survives alone. How can one survive among humans? How to become a demon emperor? "Come on, come on, everyone, hand over your inner demons so that I can swallow them and increase my strength!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.