Free Use of the Astral Express

Series Metadata

Listing Series

• Sunday's First Day Out by Randomly_Unfortunate

  Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)  

  • Explicit
  • No Archive Warnings Apply
  • F/M
  • Complete Work

  05 Jul 2025

  Tags

  • No Archive Warnings Apply
  • Aventurine/Stelle (Honkai: Star Rail)
  • Stelle/Sunday (Honkai: Star Rail)
  • minor sunday/aventurine
  • Stelle (Honkai: Star Rail)
  • Aventurine (Honkai: Star Rail)
  • Sunday (Honkai: Star Rail)
  • Voyeurism
  • Vaginal Sex
  • Vaginal Fingering
  • Penis in Vagina Sex
  • Semi-Public Sex
  • Accidental Voyeurism
  • Plot What Plot/Porn Without Plot
  • Creampie
  • sunday is repressed

  Summary

  Sunday hadn't been on the express for even a day before he found out what the Trailblazer’s offered to trusted companions they had met on their journeys.

  Alternatively,
  Sunday wanks it to Aventurine and Stelle fucking.

  Series

  • Part 1 of Free Use of the Astral Express

  Language:

  English

  Words:

  1,864

  Chapters:

  1/1

  Comments:

  2

  Kudos:

  109

  Bookmarks:

  7

  Hits:

  3,735

• Unburdened by Randomly_Unfortunate

  Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)  

  • Explicit
  • No Archive Warnings Apply
  • F/M, M/M
  • Complete Work

  08 Jun 2026

  Tags

  • No Archive Warnings Apply
  • Stelle/Sunday (Honkai: Star Rail)
  • Sunday/Trailblazer (Honkai: Star Rail)
  • Dan Heng/Sunday (Honkai: Star Rail)
  • Himeko/Sunday (Honkai: Star Rail)
  • Sunday/Welt Yang (Honkai: Star Rail)
  • Stelle (Honkai: Star Rail)
  • Sunday (Honkai: Star Rail)
  • Welt Yang (Honkai)
  • Dan Heng (Honkai: Star Rail)
  • March 7th (Honkai: Star Rail)
  • Himeko (Honkai: Star Rail)
  • Vaginal Sex
  • Vaginal Fingering
  • Penis in Vagina Sex
  • Blow Jobs
  • Light Dom/sub
  • Inappropriate Use of Harmony
  • Mildly Dubious Consent
  • they talk about it after and Stelle was into it
  • surprising amounts of cum
  • Sunday is Down Bad (Honkai: Star Rail)
  • Sunday Has Religious Trauma (Honkai: Star Rail)
  • Bottom Sunday (Honkai: Star Rail)
  • Top Sunday (Honkai: Star Rail)
  • Cock Warming
  • Creampie
  • Somnophilia
  • Cunnilingus
  • A/B/O themes but not actually A/B/O
  • Anal Sex
  • Anal Fingering
  • Dan Heng Has Two Penises (Honkai: Star Rail)
  • Knotting
  • Sexual Overstimulation
  • Crying During Sex
  • Threesome - M/M/M
  • alot of this is just unrealistic okay don't learn sex from fanfiction

  Summary

  Sunday takes advantage of being a guest aboard the Astral Express.

  Series

  • Part 2 of Free Use of the Astral Express

  Language:

  English

  Words:

  14,642

  Chapters:

  5/5

  Comments:

  9

  Kudos:

  153

  Bookmarks:

  7

  Hits:

  9,432

• Argenti's Devotion To Idrella by Randomly_Unfortunate

  Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)  

  • Explicit
  • No Archive Warnings Apply
  • F/M, M/M
  • Work in Progress

  22 Jul 2025

  Tags

  • No Archive Warnings Apply
  • Argenti/March 7th (Honkai: Star Rail)
  • Argenti/Boothill (Honkai: Star Rail)
  • Argenti/Stelle (Honkai: Star Rail)
  • Argenti/Trailblazer (Honkai: Star Rail)
  • Argenti/Dan Heng (Honkai: Star Rail)
  • Argenti/Himeko
  • Argenti (Honkai: Star Rail)
  • March 7th (Honkai: Star Rail)
  • Dan Heng (Honkai: Star Rail)
  • Boothill (Honkai: Star Rail)
  • Stelle (Honkai: Star Rail)
  • Himeko (Honkai: Star Rail)
  • Penis in Vagina Sex
  • free use astral express
  • Cunnilingus
  • Vaginal Sex
  • Vaginal Fingering
  • Creampie
  • more as the chapters come out

  Summary

  Argenti makes his way through the Astral Express members plus a temporary guest in appreciation to Idrella.

  Part of a collection of fics where the Astral Express members are part of a free use policy.

  Series

  • Part 3 of Free Use of the Astral Express

  Language:

  English

  Words:

  1,341

  Chapters:

  1/5

  Comments:

  4

  Kudos:

  25

  Bookmarks:

  3

  Hits:

  1,416