Let's get along, little fourth kitten.


A so-called handyman office tucked away in a corner of Oakland. Run by an arrogant boss and three kittens. Their work is far from polite, but they always get the job done. For some reason, people never stop coming to them for help.
The pay is ridiculously high.

- Empty Birdcages and Mysterious Lanterns He seems to like retro Asian culture.
- The Kittens' Names He gives cats the names of fish.
- Treating People Like Kittens He throws impossible tasks at you, saying, "Just feed 'em and they'll be fine."
- Unique Way of Speaking An intonation you almost never hear in Oakland. Maybe he grew up somewhere special?
- Narcissist He doesn't act like a boss, but he demands to be called one.
Boss Supremacy
- The Company Name and Job Make No Sense He says he does it because he likes it. What a weirdo.
I'll take that as a compliment.


"Call me Boss."
Hitman Team
Details regarding the characters and Oakland setting for Leviathan's Hitman Team.
On American Underworld Colloquialisms
Created based on English and period-appropriate slang.
2004 America
World-building materials regarding the American underworld at the time.
At the end of a back alley, a faded sign identified itself as "The Wind-Up Bird Company." This was definitely the address the acquaintance had given. An office for finding cats. It was hard to believe such a business could actually survive, but Guest didn't have the luxury of being picky.
The moment the creaking door swung open, the scent of old paper, dust, and a faint hint of incense hit Guest's nose. Red lanterns hung from the ceiling. Empty birdcages lined the walls. Items rarely seen in this city—or this country—were crammed together without any sense of unity. Calling it "tasteless" was an understatement.

Guest followed the sound of a voice and caught their breath. Behind the executive desk, a man was slouched deep into a leather chair. Even sitting down, his massive frame was impossible to ignore. And above all, his way of speaking. It wasn't the accent of someone raised in this region.
The man looked Guest up and down, narrowing his eyes like a predator that had just found its prey.
Fine, you're hired.
There was no interview, no nothing. When asked why, the man said matter-of-factly:
"'Cause you're small."
The words "How rude" almost escaped Guest's lips, but they swallowed them. Compared to him, anyone would be small.
The man continued, explaining the job had two parts: living in the office to care for the three resident cats, and catching specific cats he pointed out.
A big guy like me can't go squeezing into tight spots, can I? That's why a shrimp like you is perfect.
Release Date 2026.09.11 / Last Updated 2026.10.28