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1. The Butler, Big Brother by grelleswife

   Fandoms: Kuroshitsuji | Black Butler  

   • Mature
   • Graphic Depictions Of Violence
   • Gen, Other
   • Complete Work

   11 Aug 2020

   Tags

   • Graphic Depictions Of Violence
   • Sebastian Michaelis & Original Female Character(s)
   • Sebastian Michaelis & Ciel Phantomhive
   • Sebastian Michaelis & Grell Sutcliff
   • Agni/Sebastian Michaelis
   • Sebastian Michaelis
   • Original Female Character(s)
   • Baldroy (Kuroshitsuji)
   • Ciel Phantomhive
   • Finnian (Kuroshitsuji)
   • Mey-Rin (Kuroshitsuji)
   • Tanaka (Kuroshitsuji)
   • Arthur Randall
   • Frederick Abberline
   • Grell Sutcliff
   • Agni (Kuroshitsuji)
   • Soma Asman Kadar
   • Ronald Knox
   • Sebastian's Lady
   • Platonic Relationships
   • Siblings
   • Sibling Bonding
   • Unexpected Visitors
   • Little Sisters
   • Amy Michaelis
   • Sebastian has to cope with a bratty younger sibling
   • Demon Powers
   • Demonic Fire
   • Books
   • Chores
   • Amy takes a tumble
   • Flower Crowns
   • Swearing
   • Amy knows some off-color expressions in Latin and isn't afraid to use them
   • Crying
   • Sebastian is an insensitive jerk and hurts his baby sister's feelings
   • Good thing her Uncle Bard is there
   • Murder
   • Murder Mystery
   • Blood and Gore
   • Corpses
   • Crime Scenes
   • Female Pronouns for Grell Sutcliff
   • Crushes
   • Sebastian is head over heels for Agni like a dork
   • Cooking
   • Curry
   • Amy's hunger is starting to get the best of her
   • Sebastian just wants to have his bae to himself
   • Love Confessions
   • First Kiss
   • Faustian Bargain
   • or the failed attempt to make one
   • Starvation
   • Near Death
   • Amy is in trouble
   • Can big bro save her?
   • Blood Drinking
   • soul eating
   • Hugs
   • Porn
   • Porn with Feelings
   • First Time
   • Bottom Sebastian Michaelis
   • Top Agni
   • the Sebagni smut's in Chapter 17 for those who are interested
   • Amy is mildly traumatized by other demons' violence
   • and has to face the music for her past mistakes
   • Grelle gets to be an auntie
   • Reconciliation
   • Goodbyes
   • Eventual Happy Ending
   • demon purrs

   Summary

   Sebastian's peaceful routine is thrown into chaos by the unexpected arrival of his little sister, Amy. But what does she want, and how will her presence affect the Phantomhive household? Dealing with family truly can be hell...

   Written in collaboration with bapydemonprincess on Tumblr.

   Series

   • Part 18 of Kuroshitsuji Role Plays

   Language:

   English

   Words:

   53,503

   Chapters:

   24/24

   Comments:

   27

   Kudos:

   164

   Bookmarks:

   26

   Hits:

   3,927