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1. Keeper by Otaku_girl

   Fandoms: Bullet Train (2022), マリアビートル - 伊坂幸太郎 | Bullet Train - Isaka Kotaro  

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

   24 Jul 2025

   Tags

   • No Archive Warnings Apply
   • Tangerine (Bullet Train)/Reader
   • Tangerine (Bullet Train)/You
   • Tangerine (Bullet Train)
   • Reader
   • Menstrual Sex
   • Menstruation
   • Period Sex
   • Bath Sex
   • Smut
   • Explicit Sexual Content
   • Established Relationship
   • No Use of Y/N for Reader-Insert
   • Female Reader-Insert
   • Period Cramps
   • Soft Tangerine
   • good boyfriend Tangerine
   • pcos
   • Fluff and Smut
   • Post-Canon
   • Alternate Universe - Everyone Lives/Nobody Dies
   • Tangerine Lives (Bullet Train)
   • Vaginal Fingering
   • Oral Sex

   Summary

   “You sure we shouldn’t call the doctor? They’re not supposed ta be this painful,” Tangerine says, somehow managing to sound both completely out of his depth and certain at the same time.

   You bite back a laugh. “They’re just period cramps, Tan. They happen every month.”

   ---

   When Tangerine spends time with you during your period for the first time since you started dating, he comes up with a unique way of helping you through the pain.

   Language:

   English

   Words:

   2,580

   Chapters:

   1/1

   Collections:

   1

   Comments:

   6

   Kudos:

   101

   Bookmarks:

   7

   Hits:

   1,067