Adult Content Warning

This work could have adult content. If you continue, you have agreed that you are willing to see such content.

• Yes, Continue
• No, Go Back

If you accept cookies from our site and you choose "Yes, Continue", you will not be asked again during this session (that is, until you close your browser). If you log in you can store your preference and never be asked again.

1. Subject X by xiaoxqb

   Fandoms: 垂涎 | Desire: The Series (China TV 2025), 垂涎 - 弄简 | Desire - Nòng Jiǎn, 垂涎 | Desire: The Series (China TV 2025) RPF, desire4  

   • Mature
   • No Archive Warnings Apply
   • M/M
   • Work in Progress

   19 Oct 2026

   Tags

   • No Archive Warnings Apply
   • Hua Yong/Sheng Shaoyou
   • Hua Yong (Desire)
   • Sheng Shaoyou
   • Mermaids
   • merman
   • Top Hua Yong (Desire)
   • Bottom Sheng Shaoyou
   • Merman Hua Yong
   • Scientist Sheng Shaoyou
   • Courting Rituals
   • Alternate Universe - Fantasy
   • Urban Fantasy
   • Fluff
   • Sirens
   • Research
   • touch starved sheng shaoyou
   • Tentacle Sex
   • Blow Job
   • Moral Ambiguity
   • Moral Dilemmas
   • Out of Character

   Summary

   When a research expedition is brought to a halt by a merman fiercely protective of his territory, geneticist Dr. Sheng Shaoyou becomes the only scientist the creature allows to approach, sparking a unique and exclusive bond with the captivating figure known as, "Subject X."

   Language:

   English

   Words:

   26,833

   Chapters:

   5/?

   Collections:

   1

   Comments:

   108

   Kudos:

   238

   Bookmarks:

   27

   Hits:

   3,445