Forget Being a Blood Sacrifice, the System Still Wants to Suck Me Dry?

A poor college student accidentally traveled through time and was sacrificed for blood. The only system he relied on turned out to be a parasite that drained the host's vitality! ? Not to mention the split personality, he also wants to crazily deduct mission rewards! ? Let's see how he outsmarts the system, seizes secret treasures skillfully, slays evil spirits, dominates the world in a human body, and conquers countless beauties from other worlds. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.