THE RULE OF THREE

THE RULE OF THREE

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WpMetadataReadMatureOngoing11h 17m
WpMetadataNoticeLast published Mon, Dec 22, 2025
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Fanfic
Demon Slayer
You've gone and tangled yourself up in not one, but two situationships. Two Hashira, top of the food chain, both locking eyes on you like you're some rare, glitter-covered sex talisman they can't fucking share. And you? You're stuck in the middle, trying to figure out how the hell this turned into a soap opera with swords. You try logic. You say, "Listen up, you impressive, catastrophic pricks... I came here to kill demons, not star in The Notebook: Demon Slayer Edition. So, let's all get fucked in separate directions, yeah?" They just stand there looking at you like you're the unstable one. Giyu's got that stare. Says nothing. But everything. And Sanemi? Sanemi looks like he's about to rupture every blood cell in his body. Sharing? Please. These two? You think they're going to calmly negotiate this situation? Absolutely not. They're both possessive as hell and pretending, they're not. Yeah, they're catching... feelings. And then, because life enjoys pissing on your sanity, there's Doma. The gorgeous, deranged, pastel eyed colored nightmare who turned your brother, Hiro, into a demon like he was some rare Pokemon he could give Muzan. Muzan takes Hiro. You get Doma. Nine years of toxic attachment and religious-level obsession. Healthy. Oh, and surprise, he used to be yours. And yeah, you loved him too. Because of course you did. You love chaos. You are chaos. I mean, what's love if it doesn't come with fangs, trauma, and someone threatening to resurrect you out of spite? So now look at you... emotionally flatlined, spiritually K.O.'d, and still horny enough to ruin any chance of peace. You didn't sign up for this thespian bullshit, but guess what? You're knee-deep in it, baby. Congrats and good luck! 🤞
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You're an old soul with your own bitter past, assigned to help the Wind Hashira recover from his injuries. But healing him is not going as planned, and both of you feel the intense push and pull of each other's presence. In the face of certain pain, how is it possible that you can still find pleasure? 🪶 He touches his forehead to mine, fingers stroking my cheek. "This is so fucked." He sighs. "We can't keep going." I search his downcast face, his eyes. "Shinazugawa-sama... what do you mean?" "I can't give you what you want... the life you'd want." He pulls his head back, looking me square in the eyes. "My life is killing demons. That's what I do. People who do what I do-they die." His jaw tenses. "If you get involved with me, one way or another-you will get hurt." I can sense how much he means these words. I look over at his arm, that's draped over his knee-the one I sutured a month ago, now with a long bright scar running down its length. "I already hurt, Shinazugawa-sama." I say quietly. "It's nothing new to me." 🪶 Sanemi x Fem Reader / 
Slow burn
 / Angst and fluff
 / Smut at the end
 / All 21 chapters done, posted by the Jan 13 full moon. 🌒🌔🌕

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