I don't own the picture above I found it randomly. Her name is going to be Aisato.
(F/n) = Friend name
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3rd person view
(Y/n) used to have a girlfriend named Aisato back in highschool. They were going to be a great couple once they got out of high school but Aisato changed. She became more obsessed with (Y/n) more than she have in highschool. She won't let him talk to any females, or even look at them. At some points, she even threatened to kill them. Aisato doesn't even trust (Y/n) at all, she spies on him when he goes out to see if he is talking to other girls. (Y/n) eventually got tired of her and planned to break up. Aisato probably won't take it pretty well.
Flashback
Aisato and (Y/n) is hanging out at her house at night in bed, cuddling.
(Y/n) pov
Today is the day I leave her, I can't handle her being so bossy with my life, I can do what I want to do and she cannot stop me from doing it.
Aisato: Goodnight (Y/n), I love you
(Y/n): I love you too
I was lying obviously, I hate her so much.
Once she fell asleep, I got out of the bed and wrote a note for her.
I packed up my things and left. I felt a sudden relief after I left her.
Timeskip to next morning
Aisato pov
The morning sunlight shined onto my eyes, forcing me to wake up. I Feeling a little bit cold, so I reached out to grab (Y/n) for warmth, but I didn't feel him though.
Aisato: (Y/n) where are you?
I looked around the house for (Y/n), but I cannot find him anywhere. I only found this note from him. I opened the note and I read it.
I am officially breaking up with you. You are a manipulative bitch and I can't stand it anymore.
Aisato: You are going to regret leaving me (Y/n), I'm going to make you suffer.
Thinking to myself, he is probably at his house right now, time to surprise and make sure he never leaves me.
Timeskip an hour
Aisato is at (Y/n)'s house.
Aisato's pov
I walked onto his porch, grabbing the spare key underneath the vase where he always keeps it and unlocked the door. I crept up the stairs into his bedroom. I slammed his bedroom door open, only to find nothing.
Aisato: Dammit (Y/n)! WHERE ARE YOU!
Feeling frustrated, I punched a hole into his door and left.
Timeskip a few years
(Y/n) povLife has never been better. Ever since I left her, life just seems so much more colorful. I can actually have friends now. I'm going to a party and it is going to be awesome.
When I got there, me and the boys were planning to get really drunk.
(F/n)1: Woah bro slow down, that's your eighth shot. I don't think you are going to be able to walk.
(Y/n): Don't worry about it, we were planning to get really drunk anyways.
I kind of regret it though because I'm starting to feel a little dizzy. I found a couch and went to sit down on it while trying not to hurl everything out. Then a random girl came and sat down next to me.
???: Looks like you had one to many drinks
(Y/n): Yeah, everything is dizzy right now.
Then I heard her mumble something underneath her breath,
???: I finally found you after so long...
(Y/n): What was that? You are going to need to speak a little louder
???: O-oh nothing. Here, drink this. This will make you feel better in no time.
(Y/n): If you say so...
I took the drink from her hand and gulped it down. I don't think it helped, I started to feel a little drowsy after drinking it.
(Y/n): I don't feel so good, I think I'm just going to take a nap right here.
I couldn't fight the drowsiness so I fell asleep.
???: Now it's time to bring you home darling...
Timeskip to the next morning
(Y/n) pov
I woke up in a silent room. This doesn't look like the party, you thought to yourself. You tried to get up, but you felt a heavy weight on top of you.
???: You're finally awake.
(Y/n): Who are you and why are you on me. No wait, we didn't do the thing right?
???: You mean sex, well not yet~
(Y/n): Woah hold up I don't even know who you are!
???: You really don't remember me? Does your ex girlfriend ring a bell?
(Y/n): N-no way, Aisato is that you?
Aisato: Ding ding! You are correct! Now to the important question, why did you leave me.
(Y/n): It's because you are a crazy bitch! Get off of me!
I tried to push her off, only to find that my hands are tied the bed and I can't get them free.
Aisato: Nope! There is no way I'm going to let you leave me again. We are going to be together forever.
(Y/n): I don't want to! Don't I have a saying in this?
Aisato: Being disobedient huh, I guess you need to learn to love me again.
She pulled out a pocket knife and said,
Aisato: Do you love me?
(Y/n): Y-yes! Please don't hurt me!
Aisato: Liar!
She stabbed my right hand, causing me to scream out in pain.
Aisato: No lying to me is the first rule. No disobeying is the second, understand?
(Y/n): Yes I do!
Aisato: Well then since we are here, let's have some fun shall we~
________________________________I'm not doing lemons yet, in the future I will though.
Next: Himiko Toga x Male! Reader
Word Count: 1000 words
I might open up requests because I'm running out of ideas.