Diarmuid x Reader

Femdom

You are playing the hot mobile game, Fate/Grand Order when you get an odd pop up.

"Ready to experience a real life Grail War?" It said.

What?!

Before you can think anything else, your phone starts to radiate a strange heat. You can feel it getting hotter and hotter as it becomes too much to bare, and you toss your phone onto the floor with a little shriek. All of a sudden, a blue light shines above your device, almost like it does in the game when summoning new servants. You pull your hands close to your chest, as to try to shield yourself away, when a blue whirlwind brings itself into existence stretching all the way to the ceiling. Right when it seems to reach maximum speed, it bursts all across the room creating a blinding light. You cover your eyes as the light fades away. When you lower your hands from your face, you now see another person standing in your room, right above your phone.

It's Diarmuid, your favorite servant.

You immediately start to blush as he appears before you, and before you can say anything, he starts to speak.

"Are you my Master?"

His voice is deeper in real life.. but... Master?
You take a quick glance at your hand, and there it is. A symbol, seeming to be that of command seals.

"I... I guess so." You say in response.

He bows his head and takes a kneel in your direction. "I am Diarmuid," He says, "allow me to serve you in your endeavors."

"Endeavors..?"

You hope it isn't actually a Grail War.. You don't know if you could survive something like that, even with someone as amazing as the lancer, Diarmuid as your servant.

"Yes, I have been summoned here as a response to your emotions."

My emotions?

He nods, and stands from his kneeling position. He walks toward you, and takes your hand. "Yes. I am here to fulfill your needs, and bring you your happiness." His hand was warm, and it only made you hotter as you blushed harder than you ever had before. "I assume you have an understanding of the command seals?"

"Y-yes.." You find it hard to be casual with him. You can't believe this is actually happening.

Once the situation has finally settled in, you break away from his hand and plunge yourself into his arms. "Diarmuid... I can't believe it's actually you." Your eyes tear up, as you are filled with a happiness that you haven't felt before.

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He was soft, but sturdy, as he places his arms around you and squeezes you tight. "Master... It is alright, no need to cry..." The sound of concern in his voice was alone enough to make your heart beat ten times faster.

Once you've felt satisfied, you break away and look him in the eyes.

Oh... He's beautiful. I can't wait to break him...

You stand up, finding confidence in yourself as you finally comprehend what's going on. I am the Master here.

"Diarmuid.. Can you kneel for me?" You say, and he does. You put your leg onto his shoulder, and push him down. He's strong, but you're stronger.

A look of confusion spreads across his face. "Master? What are you doing?"

You raise yourself over him, pinning his head between your arms on the ground. "You don't know? This is my happiness." You grin. You know his past. You know how he has been betrayed by the ones he's loved. But, knowing this only makes you want to do it more.