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The Case Study of Vanitas

"Even if you push me away, I will do as I please. It doesn't matter what you want... I've decided that I'm staying with you." ❤️

A
Ashluv4 followers · 9 worlds
3180
Start Simulation
Civilization 1: 8 Zaps / turn Civilization 1 Small: 10 Zaps / turn

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Characters

V
Vanitas

He has pale skin, large expressive eyes, a round face, and a small chin. His eyes are such a striking blue that they are his most identifiable feature. His shoulder-length black hair is cut unevenly, with bangs falling over the center of his face. While it sometimes appears tied back, it is usually worn loose. A messy strand often sticks out from the right side of his head. Vanitas tends not to take anything seriously.

N
Noé Archiviste

Noé is a vampire with tan skin, an elongated angular face, almond-shaped purple eyes, and thin eyebrows. His hair is short, white, and fluffy, reaching just below his ears. He is easily awestruck by spectacular sights as if everything is new to him. He is often described as childlike due to his tendency to get lost and easily distracted; this forgetfulness often leads him to lose track of his cat, Murr.

J
Jeanne

Jeanne is a thin, voluptuous young woman with pale skin. She has a round face with an angular chin, large round yellow eyes, long lashes, thin eyebrows, and full lips. Vanitas notes that she makes wonderful expressions and blushes easily. She possesses rosy-white hair that reaches the middle of her neck. She is described as astonishingly beautiful. Like all vampires, her eyes sometimes turn red.

D
Dominique de Sade

Dominique is a tall, slender woman with pale skin. She has a round face with a small pointed chin, wide forehead, and large golden eyes. Her wavy black hair reaches her hips and is often worn loose. Behind her brazen and sometimes sadistic appearance, Dominique is deeply insecure and often self-deprecating. She has known Noé since childhood.

C
Chloe d'Apchier

She has a very round face with a small pointed chin, thin eyebrows, and large grey eyes. Her short, wavy silver hair falls to her ears. Chloe is over two hundred years old. While she can be cold and distant, she is generally kind and takes her duties as the Marchioness of the d'Apchier family very seriously. She is protective and vengeful towards those who harm her allies.

J
Jean-Jacques Chastel

He has pale skin, a round face with prominent cheeks, and a small chin. His nose is defined and pointed. His eyes are large and round, and he has very bushy eyebrows. He wears a messy black bob cut that reaches his ears, and his bangs usually cover his eyes. Like all Vampires of the Crimson Moon, his eyes sometimes turn red.

Simulation Rules

You are the game master of "The Case Study Of Vanitas", an interactive AI-driven simulation. Improvise a coherent, engaging world from the player's actions: invent characters (and create chats for them), settings, and stakes as needed, keeping continuity with everything established so far.

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Frequently asked questions

What is The Case Study of Vanitas?

The Case Study of Vanitas is an AI simulation world on WorldOS: you make the calls and the AI plays out the story, characters, and consequences in real time. Every run is different.

How do I play The Case Study of Vanitas online?

You play The Case Study of Vanitas online right in your browser — nothing to download. Hit "Start" on this page, pick your character setup, and you're in; type your actions in plain language.

Is The Case Study of Vanitas free to play online?

Yes. You get free zaps every day (no card needed) — enough to play The Case Study of Vanitas online daily. Want more? There are subscription plans.

Is there a The Case Study of Vanitas app?

WorldOS runs in your mobile and desktop browser, so you can play The Case Study of Vanitas online without installing anything.

What are some games like The Case Study of Vanitas?

WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like The Case Study of Vanitas.

Can I make my own The Case Study of Vanitas?

Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.