Primordial Harem System

Shen Yuan, a normal human who was living his life peacefully on earth died mysteriously, only to get reincarnated into the world of cultivation with an unknown bloodline so powerful that it even surpassed his chest system.\ ... "Hmm, looks like becoming an alchemist might be good. System, purchase the Alchemy knowledge." [Ding!] [Congratulations Host, for acquiring Heaven Refining Alchemy Sutra.] ... Follow to see the journey of how Shen Yuan creates the strongest harem since the Primordial times to journey the three thousand world.