Saki Kosaka

Career overview

Subject: Saki Kosaka (Acting).
Goal: 180-260 word career overview.
Format: 2-3 short paragraphs, plain prose only, no markdown, no headings, no preamble, no JSON.
Constraints: Use ONLY verifiable facts from provided sources. No invention. No asterisks.
[1] Stage Name: 香坂さき. Known for: Acting. Known credits: 18. Gender: Female. Place of Birth: Chiba, Japan.
[2] Known for: Mobile Suit Gundam: The Witch from Mercury (2022), Concrete Revolutio (2015), Colorful Stage! The Movie: A Miku Who Can't Sing (2025).
[3] Work includes: Umamusume: Pretty Derby - Beginning of a New Era, Chuhai Lips: Canned Flavor of Married Women, Mieruko-chan, The Eminence in Shadow, Is It Wrong to Try to Pick Up Girls in a Dungeon?, 86 EIGHTY-SIX, Cells at Work!, and The House Spirit Tatami-chan.
[4] Category: Japanese female voice actress (声優). Agency: AIR AGENCY. Born in Chiba Prefecture.
[5] Voice actress for Gold City in Umamusume: Pretty Derby.
Paragraph 1: Identity and Background.
Saki Kosaka, also known by the stage name 香坂さき, is a Japanese female voice actress born in Chiba, Japan. She is represented by the agency AIR AGENCY. Her professional work includes 18 known credits in acting.
Paragraph 2: Notable Works.
Her acting credits include roles in Mobile Suit Gundam: The Witch from Mercury (2022) and Concrete Revolutio (2015). She is also associated with the upcoming project Colorful Stage! The Movie: A Miku Who Can't Sing (2025). Other works in her filmography include Umamusume: Pretty Derby - Beginning of a New Era, where she provides the voice for Gold City in Umamusume: Pretty Derby.
Paragraph 3: Additional Credits.
Additional titles in her career include Mieruko-chan, The Eminence in Shadow, Is It Wrong to Try to Pick Up Girls in a Dungeon?, 86 EIGHTY-SIX, Cells at Work!, The House Spirit Tatami-chan, and Chuhai Lips: Canned Flavor of Married Women.
Draft:
Saki Kosaka, also known by the stage name 香坂さき, is a Japanese female voice actress born in Chiba, Japan. She is represented by the agency AIR AGENCY and has 18 known acting credits.

Her filmography includes work on Mobile Suit Gundam: The Witch from Mercury (2022) and Concrete Revolutio (2015). She is also credited in Colorful Stage! The Movie: A Miku Who Can't Sing (2025). In the production Umamusume: Pretty Derby - Beginning of a New Era, she provides the voice for the character Gold City in Umamusume: Pretty Derby.

Other notable works in her career include Mieruko-chan, The Eminence in Shadow, Is It Wrong to Try to Pick Up Girls in a Dungeon?, 86 EIGHTY-SIX, Cells at Work!, and The House Spirit Tatami-chan. She has also been involved in Chuhai Lips: Canned Flavor of Married Women.
Word Count Check:
Draft word count: ~145 words.
Problem: The prompt asks for 180-260 words. I need to expand using only the provided facts.
Expansion Strategy:
I can't invent facts. I can only rephrase or group the existing facts more thoroughly.
Let's look at the lists again.
Credits:
1. Mobile Suit Gundam: The Witch from Mercury (2022)
2.