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  1. My Beta Boyfriend is Suddenly an Alpha?! by

    Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs  

    22 Nov 2025

    Tags
    Summary

    Omegaverse - A/B/O

    In their world, Beta's can't impregnate Omega's so after five years of dating, Beta Kunikida agrees to spend Dazai's heat with him.

    A few hours into Dazai's heat, Kunikida finds himself presenting as an Alpha, too overwhelmed by their instincts to stop they spend the rest of Dazai's heat together

    When the haze clears Kunikida is worried about the consequences of his first rut, whilst Dazai is oddly calm about it all?!

    Series
    Language:
    English
    Words:
    3,799
    Chapters:
    1/1
    Comments:
    4
    Kudos:
    122
    Bookmarks:
    9
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