Best Grelliam Slow Burn Fanfics

by doughnut_mind_if_I_do

Celia Phantomhive loses everything but the all-consuming need for revenge. She makes a deal with a demon in exchange for her soul, unaware he desires more than just her soul at the end of their arrangement.But what will this demon do when feelings get involved?

by Yumestar

"A single drop of ice, melted by the spring sun, fell down." An untamable ice storm hits England shortly before the beginning of spring.As if that is not already enough trouble, Sebastian falls victim to a mysterious demon illness that turns his hands as white as snow. Ciel wonders whether he can ha

by tradgothsutcliffe

WRITER’S NOTE- We should get the sense, as much as possible, that all Grelle and Will do is fuck each other. Their only want on this Earth is to fuck, and they do. I understand this is meant to be a demon butler manga, but I cannot stress enough the importance of these two consistently teeming with

by Dog_Star_Sirius

An engagement invitation brings Sebastian and Ciel into the orbit of chosen family, glittering Manhattan nights, and the quiet question of where they belong beside one another. This can be read as part of the series or as a standalone.

by ALittleWrath

Grell, as is so often her way, lands Will with over time. A conversation pops up between them and their fellow reapers. The reaper group discusses their deaths.

by Cheapa

Did you ever imagine, how crossover bewteen Black Butler and Squid Game would look like? No? Yea me neither, but here I am. In this story we will take a look on another adventure, what can turn into nightmare even faster than someone could iamgine. Our favortie duo (Sebastian and Ciel) got a weird c

by FemboyGooner25

Being a woman was hard. Being a woman like Grelle, was harder.

by kibasu

There are many different kind of university students. There were some, like William T. Spears, that were dedicated to their studies and worked to have a successful future. But others, like Grell Sutcliff, used their university time to party and have as much fun as possible.Grell and William are room

by madamemaddy

When Grelle comes into work one day and enters William's office, she notices he's nowhere to be seen and hasn't been since he was called in to investigate a certain castle, which had been considered something of urban legend. But when he comes back, Grelle realizes something is off about William, an

by malevolentgremlin

Perhaps Dispatch had truly been done with her antics. She would disappear during her duties, seemingly never to return, and Dispatch wouldn’t even lift a hair to come find her. They might even be celebrating in Retrievals that she wouldn’t be bothering anyone anymore. William, most of all. To have h

by LadyLillyGray

"'Lottie' was the name on his lips at night; 'Lady Charlotte Drake' was the name of his undoing." What drove William T. Spears to suicide?

by kibasu

Since Will had proven himself the ability to be a father, you began to feel closer to him. Four years have passed, and you are now ten years old. Things were already difficult enough when Grell had to leave for a week. But that week ended up being your worst week in ways you didn't think were possib

by pigeonfisch

Grelle struggles to fill in the holes in her memory after a night out with Ronald. Why is everyone acting so strangely now?

by tradgothsutcliffe

Like any broke gothic lolita, Grelle spends her nights doomscrolling brand websites and obsessing over the pretty dresses. Like any scam podcast topic du jour, Will spends his nights embezzling because he was supposed to go home before 5:00. The former college roommates don't seem to have much in co

by Voltaduverker

"Mi obsesión es cumplir con la promesa que acepte al tomar el lugar de mi hermana, pero mi adicción es a los besos apasionados de un hombre prohibido, al final...¿qué será más fuerte?". Esta historia esta hecha para fans, basada en los caracteres creados por Yana Toboso, sin embargo contiene persona

by Jill_Sutcliff

El tiempo pasa, pero los seres inmortales se quedan, viendo a los humanos ir y venir, solo tienen dos opciones, sumergirse en la locura de ver como aquellos mortales que aman se van, o aprender a vivir con ello y seguir adelante tratando de llevar una vida normal. Jill y Grell Sutcliff han logrado e

by L0v3F00l2

With no recollection of his memories, a reaper named Maxwell must figure out what led him to become a grim reaper. TRIGGER WARNINGS FOR: suicide, sexual assault from a parent, implied r*pe (again from a parent), implied transphobia, etc.

by ColdSeasAvast

You better listen because I'm only going to tell this once. "A young person finds themselves in the wrong London. Is it all as the mirror told? Or was there something beneath the cracks..." I'll begin how I always begin. Not because I want to, but because I need to. "Will they find Heaven out of Hel

by Jill_Sutcliff

5 años han pasado desde que la shinigami Jill Sutcliff había llegado a la vida del Conde Phantomhive. Con el paso del tiempo, Ciel dejo de verla como una curiosidad y comenzó a verla como una amiga, de los pocos seres que podía llamar de esa manera. Pero no solo Ciel cambio su actitud con la shiniga

by Elison0321

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