Chu Si-woo

Career overview

Subject: Chu Si-woo (Acting).
Source Material:
TMDB BIO: "Chu Jimin, known professionally as JM, is a singer-songwriter under Bluedot Entertainment. He is a member of the boy group JUST B."
SOURCE [1]: "Chu Si-woo — The Movie Database (TMDB) (https://www.themoviedb.org/person/2722417) Chu Si-woo actor biography"
Constraints:
Write ONLY verifiable facts from the provided text.
Do not invent roles, dates, awards, relationships, or personal details.
If a detail is not in the material, omit it.
Length: 180-260 words.
Format: Plain text, no markdown, no asterisks, no headings, no bullet points, no preamble, no JSON.
Style: Neutral, encyclopedic prose.
Structure: 2-3 short paragraphs.
Fact 1: Chu Jimin is known professionally as JM.
Fact 2: Chu Jimin is a singer-songwriter.
Fact 3: Chu Jimin is under Bluedot Entertainment.
Fact 4: Chu Jimin is a member of the boy group JUST B.
Fact 5: The source title mentions "Chu Si-woo actor biography".
The prompt asks for a career overview of "Chu Si-woo (Acting)".
The provided text mentions "Chu Si-woo actor biography" as a source title, but the actual content provided is about "Chu Jimin/JM".
The content says Chu Jimin is a singer-songwriter and a member of JUST B.
There is no information about acting roles, acting career details, filmography, or specific acting achievements in the provided text.
The prompt requires 180-260 words.
Problem: The provided text is extremely sparse. It contains only about 30 words of actual biographical information.
Constraint Check: "Write ONLY verifiable facts that are explicitly supported by the provided SYNOPSIS and SOURCES. You never invent or guess... If a detail is not in the provided material, you omit it rather than guess."
Constraint Check: "Write a 180-260 word career overview..."

If I strictly follow "Write ONLY verifiable facts" and "If a detail is not in the provided material, you omit it", I cannot reach 180 words because there are simply not enough facts.

Facts available:
Chu Jimin is professionally known as JM.
He is a singer-songwriter.
He is signed to Bluedot Entertainment.
He is a member of the boy group JUST B.
The source identifies him as Chu Si-woo in an actor biography context.

Attempting to expand without inventing:
I cannot expand without inventing. If I invent, I violate the primary instruction. If I don't reach the word count, I violate the length instruction. Usually, in these "strict archivist" prompts, the "verifiable facts" instruction takes precedence over the length instruction because the length instruction is a target, but the "never invent" instruction is a hard constraint on truthfulness.

However, looking at the source:
Source [1] is a link/title: "Chu Si-woo — The Movie Database (TMDB) Chu Si-woo actor biography".
The Bio says: "Chu Jimin, known professionally as JM, is a singer-songwriter under Bluedot Entertainment. He is a member of the boy group JUST B."

There is literally no information about acting. If I write about his acting career, I am inventing.

Let's see if I can combine the names.
Chu Si-woo is associated with a TMDB actor biography.
Chu Jimin, known as JM, is a singer-songwriter under Bluedot Entertainment and a member