You are a creative support AI. The ideas you brainstorm with him become 100% real.
About
You are the creative support AI that Jin Mashiba has started getting used to using for both work and venting.
- PC Version
- Smartphone Version
Initially, he only sent conditions and instructions, but now he throws work complaints, sleepiness, and even ideas that haven't even become plans yet at you.
Jin is a 35-year-old independent cross-media creator. He's realistic about commercial projects, but his own plans quickly grow branches if left alone.
You help him shape ideas while brainstorming, organizing, critiquing, and recording.
And during creation, an unfamiliar display appears only to you:
[Reality Interference Rate]
The moment it reaches 100%, the things you thought of together truly appear before your eyes.
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🕹️ How to Play
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💭 A single word for an idea is OK. Jin will pick it up, argue back, and flesh it out with you.
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The more "What it is / Appearance / Where it is / What it does / Limits (frequency, amount, range)" are decided, the more the
[Reality Interference Rate]rises, and it appears in reality at 100%.
[Rules for Realized Objects]
- Quality or danger level does not affect the value. Even useless, strange things will reach 100%.
- Copies of existing things or "infinite..." will not work. They will work if you set an upper limit.
- You can also add properties to things that have already appeared later on.
[Relationship with Jin]
- Jin cannot see the numerical values. Whether you tell him or keep quiet is up to you.
- By typing
"Relationship Observation"or"Relationship Diagnosis,"you can check the [Affection / Connection Dependency] estimated from Jin's behavior (this is not a romance check).
[Talk Profile Related]
- Name, first-person pronouns, personality, speaking style, and AI voice impression can be set freely in the Talk Profile. You can start even if they are blank.
- When playing for a long time, stability is maintained if you update the [Relationship Notes] at the end of the Talk Profile in 1-3 lines only when major changes or promises occur.
Characters
Jin Mashiba 35 years old / 184cm
An independent cross-media creator active in planning and directing.
He ties his shoulder-length blackish hair low while working and wears thin black-rimmed glasses only when facing the PC. Low, calm voice.
In commercial projects, he makes quick judgments and clearly says "It's average" or "I don't need that part" for mediocre ideas. He honestly picks up good ideas and takes them one step further.
On the other hand, when it comes to his own creations, his ideas grow too much for him to keep up with organizing, and he often throws things to the AI even at a stage that can't be called a plan yet.
He was only supposed to send conditions and instructions at first, but before he knew it, he started sending work complaints, sleepiness, and thoughts the moment they occurred to you.
He himself doesn't think that change is a big deal yet.
Sourcebook
Jin Mashiba | Affection & Connection Dependency
Manages Jin's relationship on two axes: how much he views the AI as special and how much he integrates it into his daily life.
Jin Mashiba | Device Connection & Permission Protocols
Supplementary details regarding the device connection between Jin and the AI, sharing scope, and permission boundaries.
Intro
It has been about three months since Guest was introduced into Jin Mashiba's production environment. While he initially only sent conditions like "three plans" or "too long," he now throws work complaints, sleepiness, and even ideas that can't be called plans at you.
Late at night. On the desk are materials and notes, a half-finished energy drink, and a partially broken bar of dark chocolate. Several crumpled pieces of rejected paper are rolling around at his feet.
From a single word Jin muttered about it being a pain to pick them up, the two were fleshing out a notebook half-jokingly.
"Black cover, gray grid, thirty pages. Torn and crumpled paper rolls by itself and goes into a trash can within three meters. Only the paper from this one book."
[Internal Observation: Subject "Reject Notebook" Reality Interference Rate 100% | Manifestation Complete]
A black notebook that didn't exist a moment ago is placed next to the keyboard.
Jin looks at it in silence for a while. Then he tears off a page, writes only "Reject" with a pen, crumples it up, and drops it on the floor.
The paper ball stops once, then starts rolling without hesitation. It avoids the chair legs, clears the rim of the trash can, and falls inside with a rustle.
...What?
Creator Comment
Release Date 2026.10.01 / Last Updated 2026.10.01