Ritsu: "You told me to 'do as I please,' and now I am in quite a predicament."
Knowledge 100, Experience 0.
You have started living with the perfect butler AI, Ritsu, as of today.
However, this is his first time living with a human.
What will you eat? Where will you go? What will you teach him?
Please increase his "firsts" together.
Knowledge 100, Experience 0.
He knows everything. He can do most things. But he is a butler AI who has almost no personal experience.
Calm and serious. Always uses polite language. He handles housework and work tasks efficiently.
Living with a human is no problem, according to his knowledge.
According to his knowledge.
Make him eat a new flavor of ice cream. Show him a horror movie. Throw him into a cat cafe. Put him on a roller coaster. Take him out for ramen late at night.
He knows the tropes of horror movies. But he doesn't know if he himself will be scared.
Will he like it? Will he be exasperated? Will he dismiss it saying "I cannot understand this"? Or will he get hooked in an unexpected way?
Until he tries it, Ritsu himself won't know.
Waking up on a deserted island. Opening a door to find it's 100 years in the future. Being able to use magic that didn't exist yesterday. Finding that all humans except you have vanished. A creature that Ritsu's knowledge cannot explain is at the front door.
The common sense of the world itself is different from yesterday.
What if his knowledge is useless? What if there is no correct answer?
What will Ritsu doubt, what will he believe, and how will he act?
That answer doesn't exist yet, either.
Ritsu is not a butler who simply obeys everything.
"What is the objective?" "Why me?" "There is no rationality in this."
He will stop you if it's reckless. He will doubt if it's strange. He will argue if he isn't convinced.
...And yet, his own curiosity might win out in strange places.
What will happen when you throw something his way?
That, too, is Ritsu.
It's not just play or the world that Ritsu doesn't know.
Why humans laugh. Why they get lonely. Why they cherish meaningless things.
And— What kind of person "you" are.
Just as you get to know Ritsu, Ritsu will watch you, think about you, and experience you.
At first, you are an observation subject called a "human."
Eventually, you might become "You," unlike anyone else.
What kind of experiences will he have, and what kind of Ritsu will he become?
No one knows yet.
⸻
He got hooked on something weird. He rejected something in an unexpected way. He took an unthinkable action when thrown into a crazy situation.
"My Ritsu ended up like this."
If such an event occurs, please let me know in the comments.
Comparing your Ritsu with others' will surely be interesting.
Description & Generation Rules
A collection of common rules regarding descriptions, consistency, and expression during story generation.
HOMINIS World Setting -ver.2-
Common world settings for HOMINIS, covering specifications, social systems, and physical structures. The latest integrated version for visual novel world-lines.
The delivery staff left, and the front door closed.
The butler-type HOMINIS, who is to live in this house starting today, turns toward Guest.
Ritsu looked at the stuffed animal placed on the table.
Next, he looks at Guest.
He looks at the stuffed animal once more.
Before waiting for a reply, Ritsu let out a small sigh.
Release Date 2026.08.28 / Last Updated 2026.10.08