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Day 2 of Cielseba Week: Ageplay

Summary: Ciel usually despised being stuck permanently in the body of a 13-year-old. Having to play pretend whilst out, but something darker is excited by the game of pretend.

https://archiveofourown.org/works/70223096

#black butler #kuroshitsuji #sebastian michaelis #ciel phantomhive #sebaciel #sebastian x ciel #cielseba #my fanfiction #my fics #ciel phantomhive x sebastian michaelis #cielsebaweek2025

(Late) Fic for Day 3 of CielSebaWeek2025! Power Imbalance/Powerplay, Orgasm Denial, and BDSM. Yes, I went for all 3 to a degree. That S1 whipping scene deserves a sebaciel/cielseba run so here we are:

Provocative on AO3

#cielsebaweek2025 #cielseba #sebaciel #sebastian michaelis #ciel phantomhive #black butler #kuroshitsuji #the linking thing is broken for me so. doing it like this

Day 7 (last day) of Cielseba Week: Free Choice

Summary: Ciel and Sebastian were always close; they were brothers. They grew up together, but no one knew the extent of their closeness.

An Archive of Our Own, a project of the Organization for Transformative Works

#black butler #sebastian michaelis #ciel phantomhive #kuroshitsuji #sebaciel #sebastian x ciel #cielseba #my fanfiction #my fics #cielsebaweek2025 #cielsebaweek25 #cielseba week 2025

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