Infinite Parasitism: Your Body? My Vessel!

[Infinite Flow + System + Parasitism + Body-Swapping + Healing + Gradual Corruption] When he first started out: Sorry, the System made me do it. I didn't want to either... After he'd been at it for a while: Bro, since you're going to die anyway, why not give me that body...? A little later: Buddy, you've got an exceptional physique. You'd make a great vessel for me! Years later, Lu Jiule looked at the person before him, who had fallen into despair, and delivered his famous sales pitch. “It takes just one second to break a pane of glass, but making one takes countless steps and who knows how much time.” “What I mean is, if you can't appreciate the value of your own life, why not hand your body over to me? I'll keep it safe for you.” “Distinguished guest, I promise I'll not only fulfill your long-cherished wish, but also make your body immortal!”