Curate, connect, and discover
Demon Zoro AU where he is sent on a mission to Earth to assassinate a tyrannical priest. In typical Zoro fashion, however, he gets lost trying to find his target.
After wandering around for some time, he eventually encounters a human that peaks his interest: Luffy. Before he knows it, he is smitten. He abandons his mission and instead stays with Luffy, masking himself as a normal human, although with Luffy he is not afraid to show his demon-like features. Luffy thinks Zoro is cool and shows no fear towards him at all, unlike others.
Typical day in the life activities ensue, with Zoro trying to manage grocery shopping with Luffy, cleaning the house, doing laundry, etc. Appliances make him angry and electronics confuse him—he has also scared the mailman nearly half to death on several occasions.
Luffy has to help Zoro out quite a bit as burning down the house, hell, the whole neighborhood, is a constant concern.
Zoro claims Luffy as his human, and has literally no interest in anyone else. He'll scare, glare, maybe even attempt to kill others if they piss him off enough. But Luffy is the only one he listens to, protects, and loves.
Luffy definitely has Zoro wrapped around his finger. The big bad demon melts when he sees that sunshine smile, feels that warm skin in a tight hug, sweet lips pressed firmly against his own. Luffy can get away with a lot when it comes to Zoro, and Zoro gladly lets him.
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I just thought this would be a fun idea. Demon Zoro struggling to survive on Earth, but he refuses to return to his own domain in Hell because he falls hard for Luffy and wants to be by his side. I might write short stories/do threads for this, but for now, these are just my thoughts.