Octoexpansion Stories

You woke up in a new time line, things are no longer the same. You have been found by a group of agents, you have no way to communicate with them, they are not human. Yo...

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...

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...

♡♔❝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...

(Y/N), test subject 054 finds himself trapped in a nightmarish experiment on an island near Inkopolis. The experiment's objective was to create an Inkling resistant to i...

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...

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...

Inkopolis has just been saved once again by the Squid Beak Splatoon. Agent 3 feels suspicious about the new agent, agent 8, an Octoling. Being on many missions herself...

[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...

"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...

*Cover Art is Not Mine* (Y/N) is new to Inkopolis, has no money, no home, or no job. Him and his old friends had a band together and it was going well until something ha...

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...

!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...

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...

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...

When Cora and Tobias started a family, they thought it would be a walk through the park, but having twins was double the trouble and harder then they thought. Double the...

Pretty much a Bobblemask, this is my first book so plz don't be to hard on me-.

"Why is it always us? Why not someone else?" Once again, the team is back at it again. Another mission, another friend to save, another battle, the same stuff...

Enter the book of random assumptions about the world of splatoon! Reader's can also comment their headcannons for an exclusive part! Stay creative y'all! Ranked #22 in S...

It's been nine months since escaping the Deepsea Metro, defeating tar-tar, and saving Inkoplois things seemed to have finally calmed down for the team. Agent 8 now free...