Riho Sayashi

Career overview

Role: Meticulous television and film archivist.
Task: Write a 180-260 word career overview of Riho Sayashi (focusing on Acting).
Constraints:
Use ONLY verifiable facts from provided SYNOPSIS and SOURCES.
No invented titles, names, dates, awards, etc.
Original, neutral, encyclopedic prose.
Plain text only (no markdown, no asterisks, no headings, no bullet points).
Length: 180-260 words.
Structure: 2-3 short paragraphs.
No preamble or JSON.
Name: Riho Sayashi (鞘師里保).
Born: May 28, 1998, in Higashihiroshima, Hiroshima, Japan.
Profession: Japanese actress, singer, and dancer.
Former Group: Morning Musume (9th generation member) and the SATOYAMA movement duo Peaberry.
Morning Musume details: Most popular member of the 2011 additions; main vocalist and dancer; called "absolute ace" (zettaiteki ace) by media; graduated at the end of 2015.
Acting credits (from IMDb): 11 Rebels (2024), Don't Stop My Beautification (2023), and Ore no kawaî wa môsugu shouhi-kigen!? (2022).
Known credits: 235.
Paragraph 1: Background/Early Career.
Riho Sayashi is a Japanese actress, singer, and dancer born on May 28, 1998, in Higashihiroshima, Hiroshima, Japan. She was a former idol under Hello! Project, serving as a ninth generation member of the Japanese pop group Morning Musume and as a member of the SATOYAMA movement duo Peaberry. During her time with Morning Musume, she was noted as the most popular member among the group's 2011 additions. Following the release of her second single, Only you, she became a central figure for the group, serving as a main vocalist and dancer. Her role led the media to refer to her as the group's absolute ace.
Paragraph 2: Transition/Acting.
Sayashi graduated from Morning Musume at the end of 2015 and subsequently took a break from Hello! Project activities to study dance and language abroad. She is recognized for her work in acting, with 235 known credits. Her filmography includes roles in the production 11 Rebels in 2024, Don't Stop My Beautification in 2023, and Ore no kawaî wa môsugu shouhi-kigen!? in 2022.
Drafting Check:
Word count check:
Para 1: ~95 words.
Para 2: ~65 words.
Total: ~160 words.
Wait, the requirement is 180-260 words. I need to expand using only provided facts.
Expanding:
Let's look at the synopsis again.
"She was the most popular member out of Morning Musume.'s 2011 additions. Starting with 'Only you', her second single as a member, she was pushed into becoming one of the group's central figures as a main vocalist and dancer, which led to her being named the group's 'absolute ace' (絶対的エース; zettaiteki ace) by media. Sayashi graduated from Morning Musume. at the end of 2015 and took a break from Hello! Project activities to study language and dance abroad."

Let's try to weave in more details from the sources to hit the word count.

Revised Draft:
Riho Sayashi is a Japanese actress, singer, and dancer born on May