The Ultimate Psyker

Originally living an ordinary life, he was destined to be the only person to protect the Yin and Yang realms for no reason. Faced with the dual situation of mediocre qualifications and numerous crises, what should we do? The unknown journey affects the past that spans myths. What is the connection between a hidden secret of the three realms of gods and demons and him? Time flies, waiting for someone to help each other. Will the original destiny be reversed? Will the original agreement be fulfilled in this life?