Yandere!Under verse x Reader

Ink and Memories

A/n: sorry for all of the timeskips, however, I would like to get to the plot somewhat soon...but I have plans, dw. Anywho-

Y/n: 21

Nightmare: 26

Dream: 26, 9 physically

~~~

For 3 years, Y/n has been successfully able to visit Nightmare behind Memory and Soul's back. For 3 years, the two siblings have gotten to know each other again, with Nightmare showing Y/n how to get to other au's that Memory hasn't approved of. Y/n was so happy at this, that they hugged Nightmare, who didn't like the positivity, but toughed it out. Occasionally, Nightmare and Y/n spar with each other to keep each other on their toes and to just get stronger in general.

Now to the current time...Y/n was sneaking out again, climbing out their window, when their light was turned on and it caused Y/n to freeze and look over, chuckling nervously.

Y/n: haha...hey Dad...what...what brings you here?

Memory, crossing his arms: to see why you've been sneaking out for three years behind my back

Y/n: what? Me sneaking out behind your back? Pfft- dad! I would never

Memory, narrowing eyes: don't play coy with me, Y/n. where have you been going?

Y/n:...out

Memory: out where?

Y/n: wouldn't you like to know, weather boy

Memory, sighing: I regret showing you vine....Y/n...Y/n don't you dare-

Y/n dares and scrambles out of the window, flying off into the night sky, opening a portal and going to Nightmare's castle....Y/n ends up crashing into Nightmare, sending them both to the ground.

Y/n: ow...sorry bro

Y/n gets up and offers her hand to Nightmare, who takes it and stands up, brushing himself off. Nightmare crosses his arms and raises an eyebrow, his only eyebrow.

Nightmare: what were you running from this time?

Y/n: hey! That was only once!....and Memory caught me sneaking out...

Nightmare sighs and rolls his eyes, his tentacles lashing.

Nightmare: of course he did...but have you thought about what I said?

Y/n, blinking: about finding an empty au and making it my home? Like how you did with the castle?

Nightmare, nodding: yes...it would be beneficial since you would have more room to pratice your powers, make it your own...or even somehow build a castle and eventually have people working under you

Y/n: but I don't wanna have people work under me...that's mean and rude : (

Nightmare sighs and shakes his head, his tentacles going into his back.

Nightmare: of course you think that...and not what I meant, sister. What I meant was to have people help you do your job

Y/n:...but there's a whole au with people like that. It's where I'm staying. Ya know, Memorytale? The name is pretty on the nose

Nightmare sighs and shakes his head, feeling abit frustrated...but hey, what's new?

Nightmare: you're not wrong....but wouldn't that privacy be nice?

Y/n, humming: true....meeting you again and exploring the multiverse has been the funniest thing I could do, and now that I know how to properly use my powers and be a guardian...I guess there isn't really a need for me to be in Memorytale anymore. I can visit and all, but freedom does sound nice....