Kappaxsiren Stories

22 Stories

My little mer by SackOfGayness
#1
My little merby Apollo/Auggie
This is an old book I wrote and It's pretty confusing so beware of younger me's writing skills💀 Siren(human) Siren is from a strict castle. The only way he can escape i...
Gentle (castle swimmer) by SackOfGayness
#2
Gentle (castle swimmer)by Apollo/Auggie
Kappa is a normal boy, besides being an outcast he's definitely probably the most normal boy you could ever meet. That's, on the outside. He's never really been able to...
Completed
an unexpected surprise by cougarspaw2019
#3
an unexpected surpriseby cougarspaw2019
kappa x siren story Be aware my writing sucks and I wrote this quickly-
kappa x siren  by thesnakegod
#4
kappa x siren by aren/Jester
ok, so,this is a ship story, you will never guess
Castle Swimmer Songs by Ripslinger13
#5
Castle Swimmer Songsby Ripslinger13
The title pretty much says it all Castle Swimmer gang just singing songs
Castle Swimmer (Kappa x Siren) by red-winter123
#6
Castle Swimmer (Kappa x Siren)by red-winter123
After reading the latest episode of Castle Swimmer (episode 39) I realized there are not a lot of fan fictions. So might as well make one. In this fan fiction, YOU, the...
Completed
Castle swimmer but.... One shots by Rose46905
#7
Castle swimmer but.... One shotsby ✨Stupid-gay-bitch✨
I'll be creating stories here where different things happened in castle swimmer.
My ghost boyfriend by Rose46905
#8
My ghost boyfriendby ✨Stupid-gay-bitch✨
Kappa. Kappa is a normal college boy. Despite wanting a boyfriend for the death of him and being obsessed with horror he was... normal... One day he finds blood on his...
Siren x Kappa a Castle Swimmer fanfic by BL-Man
#10
Siren x Kappa a Castle Swimmer fan...by Tejas
This story follows two mermen out on the ocean blue. Seeking to destroy the curse upon the land of the Sharks. The basis of the story is not mine and belongs to Wendy Li...
Lily of the valley(short) by SackOfGayness
#11
Lily of the valley(short)by Apollo/Auggie
-although Lillies of the valley is supposed to represent good luck and happiness, they are very poisonous flowers. And can be a symbol of death and sadness.- Siren thoug...
One true love 💕 (Kappa x Siren) by michellexD019
#12
One true love 💕 (Kappa x Siren)by michellexD019
When Kappa and siren escape, siren notices how big there world is in the ocean. But little did they know they where in big trouble -gay -kappa x Siren -no bad stuff Plea...
The Brightest Of Wings by SackOfGayness
#14
The Brightest Of Wingsby Apollo/Auggie
Fairies. It's a word thrown around occasionally without though, but has anyone thought of actual fairies? They aren't small, They don't live in small houses and Collect...