My Master Has a System

Qin Lang, the son with double pupils, didn't realize until he was defeated in the fight for the Holy Realm that his master, his lifelong enemy, actually had a system! Qin Lang: I am a Chongpupil, Xianmiao, but you are actually cheating? Opponent: I didn't cheat, my master cheated. Since I became my teacher, my cultivation has improved rapidly. Qin Lang: Sacrifice the power of my double pupils, and sacrifice my cultivation in the fairyland. Rebirth, not to become an immortal, not to become an emperor. I just want to be in front of you in this vast mortal world and worship him... As my teacher. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.