Requested by Dev_fps34Az

Yandere Ciel x Reader

There's not a lot of dialogue, it's mostly at the end. Sorry if you don't like it I'm just trying to improve my writing. 🥺
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Regardless, I hope you enjoy it!

Sebastian observed his master's change of character around you.

You were the one who unleashed the untameable beast.

The instant change of character when Ciel laid his eyes on your figure daunted the demon butler. He was more baffled when the flood of bloodlust derived from his young master. It didn't take a genius to notice the development in Ciel's behavior.

A small curl of the lip whenever you were in the vicinity. His eyes drifted to you from time to time. The love in his eyes when he looked at you. How he spoke so fondly to and about you.  Not to mention his curiosity surrounding you. He wanted to know anything and everything about you so he ordered Sebastian to uncover information regarding you.

This was a side of Ciel that Sebastian had never seen. He knew all too well how troubled the young teen could be but this was different. The complete and utter infatuation he held for you was nowhere near healthy. He was unstable. He lacked focus and his thoughts were filled to the brim relating to you. His dreams always featured you. He thought of all the dates you two could go on. All of the fun activities you could do together around the manor. He even planned how he would propose and marry you. And last but not least, he created and perfected a plan to take you away from your master, Alois Trancy.

Ciel could barely hold himself back as he was seated next to the blonde brat. As much as he hated Alois, he would visit often just to see you. How romantic.

His eyes held resentment toward the equally unstable teen. The tremendous fury his small body hardly contained toward Alois was alarming. Alois kept you at his side at all times as if to say, "You can look all you want but Y/N will always belong to me."

Ciel followed Alois as he was shown around the manor. He had noticed the bored look on Alois's face as their butler's death danced so he asked for a quick tour. It was perfect timing as well since you had just escorted Lord Druitt to the restroom.

Not long into the tour, Ciel suddenly stopped and declared a duel with Alois. Everything was going according to plan and Ciel couldn't be more ecstatic.

He had a deranged look In his eyes as he swung his sword before the count of five. Unfortunately, Alois expected this and pointed his sword toward Ciel. Ciel growled at this and struck his sword against Alois's. They swung their swords at each other and ended up on the upper floor of the room.

Ciel continued to chase the blonde brat before being pinned against the railing and thrown over the edge by Alois. He landed on the floor as the wind was knocked out of him. He gasped for air as Alois hovered over him having the sword pointed at his neck. As he was about to plunge the sword through Ciel's throat, Ciel grabbed the sharpened steel cutting his hand in the process. Alois struggled to use his sword in Ciel's grip. He was too shocked to notice Ciel grab his sword lying next to them and pierce it through his skin.

Just as he did, you burst into the room along with Lord Druitt, Sebastian, and Claude. Lord Druitt fainted at the scene while the butlers, including you, stared in disbelief.

Alois's sword fell to the ground as he sat in utter shock. He watched the blood soak through his clothes before rolling onto the ground and yelling at Claude to help him. Sebastian and Claude stepped forward and halted as Ciel ordered Sebastian to stay back. He wanted the satisfaction of ending Alois Trancy's life.

Claude watched Ciel in awe, you, however, ran to Alois screaming his name. You held Alois in your arms, his back leaning against your chest as you applied pressure to his wound. The blood quickly seeped through your fingers but you kept your hand there and held it as tightly as you could. Alois proceeded to yell at Claude to help him and how he was dying. In your arms, he squirmed and begged Ciel for mercy.

"Shh, Alois. Everything's alright. I'm not going to let you die and neither is Claude. Please stop moving, your highness, you'll only lose more blood. There's no reason for you to be yelling, you're only using up more energy you'll need to heal," you comforted the blonde teen.

"That won't be happening on my watch," Ciel declared, "Sebastian, escort Y/N of the premises and let me handle the rest."

Sebastian bowed, "Very well, my young lord."

He made his way over to you and scooped you in his arms separating you from Alois. You thrashed around and demanded he drop you but he ignored your pleas. He hit you in a pressure point which caused you to lose consciousness.

When you gained consciousness, you felt soft, plush sheets under you. There was a sense of comfort that overcame you with the lavish blanket you were wrapped around in. It reminded you of the nights Alois would ask you to lay next to him until he fell asleep. As cruel as he was with his demon servants, he was a different person with you.

When you decided to open your eyes, however, you were in a room you neglected to recognize.

The events of yesterday hit you all at once. You sprung up from the bed and turned the doorknob. As you did, you felt someone from the other side grip the doorknob. You jerked your hand away and took a step back anticipating whoever was coming in.

Ciel walked in with Sebastian behind him. Your legs moved to sprint away but you were apprehended in the blink of an eye. Your limbs were tied to the cushioned chair that sat next to the bed you were previously lying in. This was, of course, achieved by the demon butler.

"Is he dead?" was the first thing you asked.

Ciel ignored your question, "Did you sleep well? I took the sheets from your old bedroom to add a personal touch."

"Don't ignore me. Why am I here? What did you do to Alois?" you curled in your seat as Ciel inched toward you.

He sighed at your concern for the blonde brat. He was such a hassle to dispose of.

"Yes, Alois is dead. You're here because you're mine. Any more questions before we eat breakfast? You missed out on dinner last night. I was surprised you slept that long. I suppose Alois was overworking you. You'll never have to worry about any responsibilities now, though."

"Excuse me!? I lived to serve Alois and you killed him so keep his name out of your mouth you mongrel! I don't belong to anyone and I especially don't belong to you, Ciel Phantomhive. You're just another spoiled brat who thinks he can get whatever he wants and takes from other people. You are sorely mistaken if you think I'll ever be staying with you. Now, release me from these binds so I don't have to be near you any longer."

Ciel crouched in front of you and gripped your chin to the point of discomfort. "I was hoping you would be more complicit but after spending so much time with Alois I should have figured you would act like this. Alois didn't care about you and all he did was manipulate you. Why can't you see that? I care about you and I would never do that to you. I care about you so much that I dealt with Alois so he didn't influence you any further. Now, you will abide by my rules or there will be consequences."

You scoffed, "Why would I listen to a brat like you?"

He grinned at your response, "Because you won't be joining me for breakfast with such an attitude. I'll keep you all to myself but I won't put up with you. Either you listen to me or I'll make your life a living hell. Which will it be?"

The stern and serious tone paired with his smile was unsettling. His corrupt mind and ominous presence were unnerving. On top of that, he aired out his sinister intentions.

"You've already made my life a living hell. I'd rather die than listen to you."

Ciel sighed again, "If you say so. Before I leave, why don't you give me a goodbye kiss?" he asked tilting his head to the side with a smug expression.

At this point, he was just taunting you.

He leaned in closer but didn't move any closer. You spit at him, the spit landing on his cheek. He seemed unfazed as he wiped your spit on his thumb before licking his thumb "clean" while maintaining eye contact with you. You felt disgusted by him and were about to shout at him before he grabbed the back of your neck to kiss you. It was a sloppy, wet kiss that left you appalled.

You felt him slip something in your mouth, it was small and round. You would have spat it out if not for his other hand pinching your nose. His mouth attacking yours left you with no choice but to swallow it. He pulled back looking satisfied with himself.

"Goodnight, my dear."