yandere keith x reader x yandere-ish shiro

Keith Kogane...-chapter 4

y/n has just awoken. keith greets her as she comes out of her room.

"good morning, lazy." keith says

"whatever." y/n responds.

"h-hey i didn't mean to be rude, sorry.." keith says after noticing how rude it sounded.

"um..okay.." y/n says as she walks away.

"hey you wanna hang out today, y/n?" lance asks." sure!" y/n reply's. "okay what you wanna do?" "i dunno.." "we could go out in our lions! find a place to hang out."y/n suggests. "Hmm. okay!"  "let's go!" y/n says laughing. 

Time skip~

No one's P.O.V

You and lance find a planet that looks a lot like Earth, no one lives here and from the quick looks around you can tell it's a new planet. Meaning has no name. You and lance look and each other with smirks. "What should we name it?" Lance asks just as shiro's lion comes down from the sky.

"Your not nameing it, lance. The rest of voltron will be here shortly." He says when he gets to us.

Y/n gets nervous with just shiro around and that when she has an idea. "Shiro did you follow me and lance?" She asks. "What? No, no of course not!" The the castle comes down and lands.

Keith, Pidge, and Allura coming walking out. Keith looks at shiro like he may just kill him.

As Pidge looks around she looks like she's in awe. Then she runs up to lance and says "what have you named it?" But before he can answer shiro snaps "nothing, he isn't nameing it." 

This makes y/n a little mad.  She freaks out and starts yelling at shiro about being an old grumpy jerk. The look of hurt on his face is clear and no one what's to say anything but someone has to stop y/n. "Y/n! Hey stop it,you don't  need to be mean." Lance says as he pulls her away. "Let go of me lance!" She shouts but is stopped by keith blocking her view of shiro. "W-wha? What's going on?" She asks. At this point it is clear she has been genetically changed to think shiro is a bad person. Lucky for them she doesn't fight until some fights her, but it obvious that she's pretty close to it. 

 Keith's P.O.V 

What is going on?! " Shiro what's going on with you and y/n?" I hear Lance say.  "Nothing, it's obvious that when she was stuck on that ship they did something to her head just like they did to me, she's..just less crazy." Shiro says. "Why is it just starting to appear?" I ask. "What do you mean "appear"?" Lance asks. "The magic of that witch." I say as a walk away to go see y/n.

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I'm running out of ideas someone help!

Comment what you think should happen.