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1. Chainsaw Man: Mugen Train & Beyond by havenbrew

   Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga), Chainsaw Man (Manga), Chainsaw Man (Anime)  

   • Explicit
   • Graphic Depictions Of Violence
   • F/M
   • Work in Progress

   23 Nov 2025

   Tags

   • Graphic Depictions Of Violence
   • Denji/Reze (Chainsaw Man)
   • Rengoku Kyoujurou & Everyone
   • Reze (Chainsaw Man)
   • Denji (Chainsaw Man)
   • Beam (Chainsaw Man)
   • Rengoku Kyoujurou
   • Kamado Tanjirou
   • Agatsuma Zenitsu
   • Hashibira Inosuke
   • Kamado Nezuko
   • Action/Adventure
   • Crossover
   • Comedy
   • Alternate Universe - Canon Divergence
   • Post-Canon Fix-It
   • Fluff and Angst
   • Hurt/Comfort
   • Angst and Drama
   • Teen Romance
   • Chaos
   • Denji is a Menace (Chainsaw Man)
   • Reze Needs a Hug (Chainsaw Man)
   • Kamado Tanjirou is a Ray of Sunshine
   • Rengoku Kyoujurou Lives
   • Action & Romance
   • Mild Gore

   Summary

   That night, Rengoku, Tanjiro, Inosuke, and Zenitsu boarded the Mugen Train, but three strange passengers joined them.

   What if Denji and Reze disappeared on the beach after their fight, only to pop up in a world where demons hide from the sun? Wait… Beam was here too?!

   “Bring me the Chainsaw’s heart, not the blue spider lilies…”

   NOTE: This event took place at the end of Reze Arc and at the start of the Mugen Train Arc reimagined.

   Language:

   English

   Words:

   13,894

   Chapters:

   4/?

   Comments:

   68

   Kudos:

   85

   Bookmarks:

   18

   Hits:

   1,492