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  1. Errant Heart by

    Fandoms: Fire Emblem: Fuukasetsugetsu | Fire Emblem: Three Houses  

    25 Aug 2025

    Tags
    Summary

    Part I: Descent
    Felix (more mature five years later) × Dimitri (closed-off and obsessive during his descent into madness)
    Cornelia carved a lewd crest into Dimitri’s body. One night after their reunion, Felix catches Dimitri fingering himself.
    1% rough sex + 99% tender lovemaking.

    Part II: Deliverance
    Duke Felix × King Dimitri (after regaining his sanity)
    “I want you to know that everything I’ve done has been by my own will. From the night I held you, to killing Cornelia, to standing here before you—every step was mine to choose.”
    100% gentle sex.

    Extremely explicit and heavily erotic, proceed with caution.
    Smut with a lot of love and feelings....

    Language:
    English
    Words:
    14,054
    Chapters:
    2/2
    Comments:
    6
    Kudos:
    32
    Bookmarks:
    7
    Hits:
    615