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Don't leave me, ever.

Summary:

lots of little stories featuring unstable women

Notes:

we need more yandere fics, so heres my contribution to that problem. I feel like I didnt write this long enough but then again, i got no more ideas.

Chapter 1: A Doting Big Sis

Summary:

“From now on, whenever you don’t listen to me, I will punish you. Any disrespect, I will severely punish. I already deleted alllllll~ the sluts’ contacts off your phone.” Belle grabbed his phone that was sitting on the table and showed him his contacts app, with all his friend’s contacts erased. She then cracked the phone in half and threw it across the room. “I told everybody that you are on an… ‘important’ family trip. Plenty of time to train you to become my perfect little brother who loves his big sis more than anything~.” ​

Notes:

(See the end of the chapter for notes.)

Chapter Text

“Rise and shine, hun~!”

Belle’s soft voice echoed across the room as she opened the blinds above his bed, allowing all the morning light in, frying the eyes of a half-asleep Wise in the process. Wise groaned and threw his blanket over his head in hopes that it would get Belle to leave him alone. Unfortunately, it did not.

Belle let out a small laugh and pulled the blankets back down. “I did tell you not stay up so late, didn’t I?”

She grabbed one of his wrists closest to her and pulled him upright to a sitting position. Wise’s mind, still lagging behind, didn’t really have the motivation to stay like that and began falling backwards again. Belle sat down quickly next to him on the bed and put her arm around his back, pulling him in for a morning hug in the process.

“It’s time to get up, my little sleepy pumpkin~” She pulled up his messy bangs and gave him a quick peck to the forehead. This unpleasant surprise (to him) made him open his eyes at Mach 10 speeds as he quickly frowned at Belle. He lifted his arm and flicked her on the forehead.

“Oomph!” Belle dramatically fell down onto the bed, holding her forehead in fake pain.

“I told you not to call me that anymore, Belle… and yes, I’ll get up.” This only elicited a giggle from Belle as she stood up and dusted off her clothes.

“That’s ‘Big Sis’ to you, mister! Plus, you’ll always be my little sweet brother to me!” She said in a sing-song tone. She turned around and began to exit his room. “I already made breakfast, so come down whenever you’re done!” Wise grumbled some incoherent words and got up to get ready for the day.

. . .

Routine.

Something Belle has always followed to a tee. She would wake up first, cook something for both of them, see if Wise decided to wake up, go in and bother him, and never miss her morning cuddle session with him.

They would then go down and eat breakfast together, discussing whatever came to mind. Every single conversation Belle held dear to her heart. They clean up and split up to finish tasks for the day. Usually, it was Belle who did most of the proxy work to pull in income for the day while Wise handled the storefront. Belle was never the best with customer interactions; Wise was always the better sibling at that.

After a long day of work, she’d check up on Wise and praise him for his hard work. Then cook dinner, eat till their hearts' content, maybe cuddle while watching a movie after (if she begged enough), and go right back to sleep to repeat the cycle.

Oh, the duty of protecting your sweet little brother. Doing all the hard proxy work for him.

She thought that every day would be bliss for her, but nothing ever remains the same. As of late, she’s been noticing a little black-haired fox thiren WHORE has been whisking Wise away from the shop, away from her, to go do who knows what somewhere else. Like clockwork, she would show up and go to the front desk and chat up Wise. Wise, as precious as he is, never really noticed her poor excuse of a flirting attempt. Belle did, though; she always watched silently through the crack of the door whenever she came in.

Then, under the guise of some training exercise, Miyabi would ask for some help with something, and the ever so kind Wise would follow.

She wasn’t one to judge who Wise befriended; she never did. But this growing, violent urge of jealousy and hatred only multiplied every time Wise went out with her.

She wanted to capitalize all his time, only with her, his ever-loving big sis. That’s all he needed-

Belle noticed her grip on the front desk was beginning to crack. She quickly let go and steadied herself. This was one of the few days she worked the front, and Wise did the proxy work. At least she could shoo off Miyabi this time.

As if right on cue, the front door swung open, and in came the sly fox.

“Good afternoon, Miss Belle.” Miyabi politely bowed her head. “It’s rare to see you working the front,” she commented.

Belle gave her a small wave and forced a smile, “Hello, Miyabi, what brings you in here today?”

“Is your brother available today? I would like to commence my ‘sleep in the same bed’ training today.”

A vein burst in her head. What kind of training is that? This is just a poor reason for that slut to sleep with her brother, something she will never allow to happen. It took all of Belle’s willpower and strength to keep a professional face and not show her absolute hatred.

“I’m sorry, Miyabi. Wise is quite busy right now, he’s-”

“Hey there, Miyabi. Did you need help with something? I overheard you two talking.” Wise poked his head around the door to the backroom.

Nonononono, this could not be happening.

“Hello, Wise,” Miyabi turned and waved, “I needed some more help with a training exercise if you’d be so kind.”

“Sure, I’m finished with all my work anyway.” Wise smiled and closed the door behind him. Belle stood there, no visible emotion on her face, watching all this unfold right in front of her.

“I’ll be heading out for a bit, Belle. I’ll definitely be home before dinner though!” Wise began to follow Miyabi out of the store. They were a couple of steps away from the exit when a slam came down on the front desk. Belle’s hands were in a fist, making a dent in the desk.

No, you will not go out with her.” Her expression was cold, staring directly towards Wise, “I will not allow it. That… woman is dangerous.”

“Belle, you don’t need to protect me as much anymore.” Wise replied back, “She’s my friend, I’m sure she won’t try to hurt me ahahaha…” He wasn’t sure what was up with Belle.

“Yes, I am certain I will not harm him,” Miyabi stated matter-of-factly.

“No, that whore will hurt you, Wise. You will not leave.” Wise was appalled by the name Belle called his friend.

“Belle! Apologize to Miyabi, she has done nothing to be called that.” Wise quickly tried to apologize to Miyabi for his sister’s seemingly random anger.

Belle’s face contorted with more anger instead, and she began yelling hateful remarks at Miyabi, calling her all sorts of slurs never heard before in New Eridu.

“That’s enough, Belle! I’m going to go out with Miyabi until you can calm down from… whatever this is.” Wise raised his voice at her, something he had never done before. The yelling stopped, and Belle fell silent, just staring again with that cold expression. Wise turned around and dragged Miyabi out the door by hand.

He turned around for a split second and saw Belle smiling for some reason. She stood there perfectly calm, with her hands clasped together.

Wise walked a little faster.


. . .

Wise profusely apologized to Miyabi right after. He doesn’t know why Belle suddenly acted like that. She never seemed to have a problem with Miyabi as far as he knew. He always knew her as the calm and lovey-dovey person who always showered him with affection. It was the first time in quite a while that she got mad. What got her to start insulting Miyabi like that, he doesn’t know.

“It’s alright, proxy, it’s not a big deal. I’m sure she’s probably going through something right now.”
Miyabi tried comforting a clearly panicking Wise.

“It… It’s just she never lashed out at someone like that before. “

What creeped him out the most was the smile she gave him after his fit. A little weird, but he hopes it doesn’t lead to any punishment she might dish out when he gets home.

Wise decided to call it a day right around when it hit evening. He said his goodbyes and also thanked Miyabi before walking home. He turned the corner and saw the lights were still on in the store, to be expected as they should still be open. Wise walked up and pushed open the door. 18 was in Belle's lap as he greeted him.

“Ehn-na-na-” (Welcome home, tall master-)

Where have you been all day?” Belle was sitting on a stool behind the desk, still with that same smile as earlier today.

“Uhh… nothing much, I-” Wise instantly got cut off.

It seems you don’t love your big sis anymore, huh. Always running off…” She slowly got up and circled around the front desk, dent still in it, and walked to him. Her hands were behind her back. Wise backed up a bit, every alarm in his mind telling him to book it. His back hit a wall.

“I don’t follow-” Interrupted again.

Do not worry, I will teach you exactly how to act. That onee-san is the only one who truly loves you.” With a flick of her wrist, she put a rag over both breathing holes, firmly holding it in place. Wise tried to claw it off, already starting to feel the drug’s effect. Unfortunately, his struggles only accelerated it. His body quickly gave up function.

Shh shh… I’ve got you.” She caught his limping body with her free hand and pulled him close. The last thing Wise saw before passing out was that same smile, with empty eyes.

. . .

Did he wake up? He doesn’t know, his mind far too groggy and his body far too numb. He tried lifting his arm to check his forehead for a cold, but found his arm bound to something. Wise panicked and thrashed around to see what it was. He looked up and found the culprit, a piece of rope, tied to the bedframe; in fact, both his arms were tied. Was he in… Belle’s room?

The door swung open, and Belle walked in with a tray of food. She wore a simple outfit, a plain t-shirt, and jeans.

You make quite the noise waking up ahaha~! Good morning, my little pumpkin, I’ve brought breakfast up for you.” She sat down beside him and set down the tray on a folding table.

“B-Belle? What the hell is happening? Why am I tied up?” Wise’s voice came out as nothing more than a light whisper.

You’ve just been a little naughty lately. I figured we needed to do some light training and some more family bonding! Isn’t that exciting~? Anyhoo, say ‘ahhh’.” Belle plunged her fork into a plate of pasta and guided a forkful to his mouth.

Wise didn’t open his mouth. In fact, he sealed his mouth shut. He refused to be fed by this monster pretending to be his sister. He knew his real sister would never do this messed-up crap to him. Belle continued to poke around at his lips, trying to feed him.

C’mon, hun, just… open.. up.” When the fork reached his lips again, he suddenly turned his whole head with all his might and shooed the fork onto the floor. Belle's expression instantly darkened into one of pure anger.

What. The. Fuck.” Belle slapped him straight across the face. Something she has never done before. A red mark formed across Wise’s cheeks as tears pooled in his eyes. “It seems we need to get into my training straightaway,” Belle stated, returning to a cold demeanor.

“H-huh, what?”

From now on, whenever you don’t listen to me, I will punish you. Any disrespect, I will severely punish. I already deleted alllllll~ the sluts’ contacts off your phone.” Belle grabbed his phone that was sitting on the table and showed him his contacts app, with all his friend’s contacts erased. She then cracked the phone in half and threw it across the room. “I told everybody that you are on an… ‘important’ family trip. Plenty of time to train you to become my perfect little brother who loves his big sis more than anything~.” ​

She smiled again.

But for right now, I must punish you for your earlier aggression.

Belle climbed on top of Wise and straddled him. She planted her face right on top of his, trying to kiss him. Instead, Wise tried to remove himself from the situation by shaking his head to avoid lip contact. Every bone in his body is telling him this is wrong. Belle grimaced.

No foreplay then, big sis will skip straight to the good part~!” She pulled down his underwear and jerked him to erection. While doing this, she tore off her own pants with brutal strength.

We will finally be...” She moved her panties aside and lined up his tip with her pussy.

“No, please, Belle, please!” He didn’t want this; he didn’t love his sister like that. But his cries fell on deaf ears. “Together~!”, Belle sank onto Wise’s cock.

Ah~ ahn~ you fit me perfectly, aren’t we perfect together?” Wise was drowning in pleasure and confusion. Belle ripped open her shirt, revealing her plump breasts, and coddled Wise in them while she milked him.

Onee-san loves you so, ah~, much!” Wise was getting close, even he could feel it.

“Belle, I’m about to-”

YES PLEASE, ALL INSIDE, I WANT EVERYONE TO SEE WHO YOU BELONG TO!” Belle tilted her head down to sloppily kiss him. Just as the climax was about to hit, Wise bit hard on her tongue as a final last-ditch attempt to get her to stop.

Belle stopped moving for a second, recoiling from the pain. She didn’t say anything this time; she just punched him again and again. She then put her hands around his neck and began to choke him.

Don't. Ever. Do. That. Again!” Wise panicked a second time, again clawing at her hands to no avail. Just as his vision began to blur, he felt himself cum inside her. Realizing it was all over, he stopped resisting and fainted.

 

. . .

Belle’s Journal
Entry 1

My dear little brother has been more cooperative since I started drugging his food. I mean, it wasn’t my fault I had to. During my ‘family bonding’, he bit my tongue while I was trying to kiss him! I mean, the nerve of him to do that!

It doesn’t hurt as much now, but I realized he’s been too hostile towards me. Always calling me ‘crazy’ and ‘you’re not Belle!’ Whatever that means. I AM Belle, his loving sister. >:(

Anyways, I’ve just started putting small doses of sleepy medication in his food to calm him down every day. If he doesn’t eat it, I’d just inject him with the drug anyway with a syringe. He realized that and just decided to cooperate with me and eat. Such a good pumpkin!

I did mess up his dosage yesterday, oopsies on my part! When I came back to the room, he wasn’t all there, haha… Drooling all over the place, and wasn’t very responsive. Mistake on my part, but makes a good punishment now that I think about it.

It truly is a dream come true! When I don’t have to take care of the shop, I just spend all day up there, talking with him, telling him all about my week or any other subject really. Just like we used to!

On another good note, that skank Miyabi is starting to come in less when she realizes Wise wasn’t available. See, they all would leave him. I wouldn’t, ever.

My hope is that one day, Wise would give up on other people and start relying on only me. I can see that it will take a while, though. But I am patient. I’d do anything for my little pumpkin, even if he doesn’t realize it is good for him.

Notes:

i hope this was an okay fanfic, rest in piece yabi