Octoexpansion Stories

In the bad ending of the Octo Expansion, Inkopolis and everyone in it is destroyed, with Cap'n Cuttlefish, Agent 8, Agent 3, and Off the Hook left to pick up the pieces...

In a strange turn of events, a human emerges from their slumber, a species known to their immunity to ink and water. This gives the inklings and octolings a chance to en...

A disaster that could've been prevented but wasn't, caused Y/N to lose everything. In a desperate attempt, Y/N's family placed them into a cryo pod, ultimately freezing...

You are just an average inkling in Inkopolis Square, when you notice a strange person who changes your life. This story begins in Splatoon 2, but I will mark in the chap...

Tadayoshi never liked having attention, and always wanted to be alone, but when he was chosen to become agent 4. His life not only changes, and his unknown past life beg...

♡♔❝Welcome to book 2 of your daily dose of boy x boy Agent 24, because my other book ran out of space due to Wattpad's annoying chapter limit.❞♔ ✮All pictures belong to...

Octarians, machines, dangers of the depths, and more. It's all here when you embark on an adventure in Inkopolis and beyond. Please note that no pictures or characters...

basically regular one shots of Splatoon ever but more G A Y E R. surprising right? request whatever you want. except boyxgirl(that'll only happen if there's angst) b/c...

"why was I so mean to you... now.. now you're gone... you're not here... not fully... I'm so.. so sorry.. goggles..." ~ Rider Story was inspired by the: Saniti...

Heyo! This is my first Splatoon fanfic here, so I hope it's not too cringy. A bit of swearing (maybe), but overall, pretty friendly (I hope). I'd say 10+ for ages. And n...

Male Agent 8 x Female Agent 3 After the Tartar's disastrous attempt to destroy Inkopolis Square and the remaining species on earth, Agent 8 finally arrives on the sur...

!OCTO EXPANSION SPOLIERS! (Male Agent 3 x Male Agent 8-Yaoi⚣) Octolings have arrived and have been welcomed into Inkopolis, almost all of them owning a place of their ow...

It's been about two years since Kirby returned to Planet Popstar. Every day since he returned, he couldn't help but miss his friends in Inkopolis. But one day, the pipe...

Agent 8, finally freed from the octarian menace and is adjusting to the surface, with the help of Agent 3 and her friends, they'll guide our new protagonist to fit in wi...

Agent 8's nightmares are getting worse every night. What will happen when her nightmares become reality? After a disastrous splatfest, Agent 8 is captured yet again. Man...

➪ "And that's when her life changed forever by the sweet tunes of the Squid Sisters." . . . Agent 8 has finally reached the "Promised Land" and recon...

Literally the title😍

(Y/N) is a victim of an experiment on an island near Inkopolis. The goal of the experiment was to create an Inkling resistant to ink. Many test subjects died because of...

[Slow Updates] 14 years with peace and quiet; 14 years with no major disturbances; 14 years of Petra being dead, Pearl grieving and the agents of the Squidbeak Splatoon...

Agent 8 is challenged with his new life, after being freed from the Octarian Menace and escaping Deepsea Metro, and everything that comes across his way. Lovers, friends...