Everyone Controls Ghosts: I Was a Taoist Priest and Was Contracted by the School Beauty

My name is Su Chen, a time traveler with extraordinary talents. Since he was an orphan, he was brought back to the Taoist temple for adoption by an old Taoist priest. For eighteen years, I followed him to practice Taoism, and I became proficient in making wind and rain, exorcising evil spirits and catching ghosts! I thought I would be the proud son of this world. It wasn't until after Master passed away that I realized that the world seemed to have billions of ill intentions toward me. What does it mean that you are not allowed to practice without a license? What do you mean I need a diploma to inherit my master's Taoism? In order to fill my stomach, I decided to open a forum to communicate with God and pray for the great goal of "having enough food and clothing"! When I was casting the spell, there seemed to be a little accident. When I opened my eyes again, I saw a girl with a panicked face. She doesn't seem to welcome me? ... My name is Feng Qingge, the strongest ghost master in the human race. Just because the first ghost in the contract was only D-level, it had a poor foundation and died in the final holy war. Unexpectedly, I was reborn! And he was reborn on the day of the Ghost Contract Ceremony for the senior year of high school! It's also bound to the [Strongest Contract System]! I swear, in this life, I will contract with a powerful ghost, break the shackles, and aspire to the top! When I walked into the contract formation, everything went smoothly, the color of the world changed, and the momentum was like a rainbow! It's just... It seems like the system has tricked me! Who can tell me what this summoned thing is? !