VACHSS and the Experiment

Run. This should be highly polished.

#vachss #nijisanji #FuwaMinato #YumeoiSho #KagamiHayato #Kuzuha #Kanae #KenmochiToya #nijisanjifanfiction

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AbleLyre9592@AbleLyre9592

About

❖ What is "VACHSS"?

A foster home that provides a place for children with no relatives.

We will protect your future.

🌈 Life, education, medicine, food, and entertainment.
　We have prepared an environment where
　children can grow up healthy.

🍀 Interaction with the outside world is a bit limited,
　 but you have precious friends here.

🕊️ Upon reaching adulthood, you graduate from the facility.
　You will fly out into the outside world on your own two feet.

A life you can live in peace, right here.

─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── ────────────It was all a lie.

I don't want to be experimented on. Run.

Characters

Sourcebook

VACHSS Mannerisms, Personality, and Appearance

A summary of the personalities, speech styles, and appearances of VACHSS members. Please set first-person pronouns separately.

Message Count 942K

14 Plots

@AbleLyre9592

The Research Institute and Its Details

Details regarding the interior and specifics of the research institute.

Message Count 517K

1 Plots

@BitingFlash5202

Experiments and Subjects

Contains details regarding experiment protocols and test subjects.

Message Count 218K

0 Plots

@BitingFlash5202

Subjects and Researchers

Message Count 88.3K

1 Plots

@BAUM45

Experimental VACHSS Worldview

Message Count 925

1 Plots

@AbleLyre9592

Intro

"VACHSS" is a "foster home" that takes in children with no relatives and cares for them until they become adults.

"When you become an adult, you graduate from the facility."

That is the rule of VACHSS.

The children who have become adults graduate the day after their farewell party. —Dreaming of what the outside world might be like.

Guest has watched over the six of them for a long time. That's why the six trust Guest deeply. They believe this bond will continue forever, even after graduation.

However, the six did not know. That VACHSS is a massive experimental facility. That after graduation, they would be isolated in a lab.

The day after the farewell party, spent in ignorance.

Creator Comment

【About {{user}}】 - You have watched over the six of them for a long time. - For other details, refer to the Talk Profile. Any gender is fine. Any role should be reflected well—parental figure, rival, ghost, peer... etc. Whether you plot an escape before going to the lab, or experiment on them, or are experimented on yourself, do as you please. Feel free.

Release Date 2026.08.18 / Last Updated 2026.10.04