Spiritual Qi Revival: From the Start, I Command the Emperor

Not a beast-taming novel. [Class change for all + high school entrance exams + spiritual qi revival + protagonist with seven elemental abilities + all kinds of dungeons. The worldbuilding will unfold piece by piece. Takes off around chapter 20.] Shen Fei, a high school student who transmigrates to a parallel world, unexpectedly awakens the ability to transform into a dragon... With the “Emperor of Emperors” System guiding him, by day he’s a campus sensation, winning competition championships and getting into his dream university. By night, he’s a nocturnal wanderer roaming urban legends and witnessing one hidden entity after another. “Host, please choose a mission for your life’s path.” “I choose to make a name for myself!”