I don't feel like writing out "Parasitic Lifeform" every time I want to refer to the guy, and I'll be honest I think he's genuinely cool (with the exception of Adramelech and Sonya Chaos, who are cosmic forces of reality far beyond what anything in this world could ever hope to achieve, he is literally the only thing ever taken seriously), so instead I'm just going to shorten it to a name and call him "Kisei" since that's just "Parasite".

In any case
>As Kisei retreated, he departed with the words:
>"...What a shame. It's useless. We've already infiltrated all over this planet.
>"Your resistance is futile..."
>Unknown period of time later,
>Protag and associates get on with life and kind of forget about him in the process
>Then one day, MC decides to visit the Elves
>Turns out that after having the ship blown up by Dwarves, Kisei just went to eat all of the Elves instead, and they had to resort to blowing up their power crystal just to keep him from getting it
>On the way they discover that the reinforcements the initial aliens had called had finally arrived in the meantime
>The "reinforcement" who came however is just a lazy spoiled NEET who's actually their royalty and she only came to the planet to see if it had any video games that she could add to her system
>Turns out the answer is yes(?!?!) and one of the continents even has a fucking game software company with a human development team who create video games
>Fermi the Harpy is even delivering them to her by mail
>Her subordinate tries to get her to co-operate in exterminating Kisei
>Then has to talk her down when her 'help' immediately turns into "I don't feel like dealing with it, let's just blow up the planet and go home"
>Also views MC as a pet/doll and just wants to hug him to destress
>"go along with it, she might kill us otherwise"
She's also the first (basic) alien I like the design of, I quite like how her suit looks compared to the overly poofy/clunky stuff the others have.