Fics like Sweetest Sin

A written collection of all the times when Rengoku proposed marriage to his then-lover, who eventually gave in and became his wife.

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  1. Book of Sins by dudeandduchess (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Kimetsu no Yaiba (Manga))
  2. Two Worlds Collided & They Could Never Tear Us Apart by Wysteriaz (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
  3. Fire and Pride by lilyisfrozen (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
  4. Seventh Moon by AndixxYukie (鬼滅の刃 | Kimetsu no Yaiba (Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime))
  5. cold affections by ULS (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Kimetsu no Yaiba (Manga))
  6. F#cking Professor Rengoku - Rengoku Kyojuro x Reader +18 by HungarianShinobi (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime))
  7. Dream Come True by lilyisfrozen (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Kimetsu no Yaiba (Manga))
  8. Kyō's Kinktober 2020 by dudeandduchess (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Kimetsu no Yaiba (Manga))
  9. Spring Tide by Yellow_Canna (鬼滅の刃 | Kimetsu no Yaiba (Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime))
  10. Bonding situation by orphan_account (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Kimetsu no Yaiba (Manga))
  11. peace in your violence by favspacetwink (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Kimetsu no Yaiba (Manga))
  12. wisteria grows by tomiokagiyu (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime))
  13. Last Chance for Magnanimity by FriedEggOnMyLeg (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Kimetsu no Yaiba (Manga), more)
  14. Desire by freaky_hanyou (鬼滅の刃 | Kimetsu no Yaiba (Manga))
  15. Study Guide | (Rengoku x Reader) by cosmofrog (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Kimetsu no Yaiba (Manga))
  16. Kataware Doki by wxxxxxxxxr (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime))
  17. bet i love harder by favspacetwink (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Kimetsu no Yaiba (Manga))
  18. The Dark Between Stars by emilieee (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga))
  19. No Good Deed Goes Unpunished by CursedBratwurst (鬼滅の刃 | Kimetsu no Yaiba (Manga), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime))
  20. You Were In The Darkness Too (So I Stayed In The Darkness With You) by milky_haven (鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Kimetsu no Yaiba (Manga))