: Originally debuted as Miri Mizuki (水稀みり) in April 2016. She changed her name to Sumire Mizukawa in January 2018. In the U.S. and international markets, she frequently performs under the name Emiri Momota .

If you want to see the “aka Extra Quality” for yourself, do not just stream the movie on your phone. Follow this ritual:

: Outside of adult films, she has worked as a model, notably appearing as a race queen at the Tokyo Auto Salon in 2019. Notable Works and Series

On December 31, 2025, Sumire Mizukawa sent shockwaves through the entertainment community. In a late-night social media announcement, she declared that she was bringing her Japanese career to an end. "This will also be the year I end my Japanese AV career," she wrote, adding that she had spent 2025 navigating confusion while searching for new directions. She had found a "new goal," and with the arrival of 2026, she would no longer be bound by anything, proceeding at her own pace toward a "new self".

Mizukawa’s prominence did not happen overnight; it was the result of a calculated rebranding strategy that altered her career trajectory.

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Mizukawa has compiled a diverse portfolio of work cataloged across major film databases like The Movie Database (TMDB) and Letterboxd . Her filmography is characterized by its adaptability, moving fluidly between intense dramatic roles and lighthearted character archetypes.

This willingness to engage personally with fans, to learn local languages, and to appear in photographs not as a distant celebrity but as a relatable human being, speaks directly to the "extra quality" that defines her legacy. She has consistently gone beyond what is expected, whether in her performances, her branding, or her interactions with the public.

Specialized digital distributions or photo collections curated by major adult video (AV) platforms.

February 3, 1994 (Some archival sources record 1995).

If you’d like, I can draft a promotional press release, an artist bio for gallery submissions, or a short interview-style profile imagining answers from Sumire Mizukawa/Extra Quality.

While the Japanese AV industry experiences rapid turnover with many performers participating for only a brief window, Mizukawa's decade-long footprint—sustained through name changes, active social media engagement on her Official Instagram , and crossover promotional events—solidifies her position as a memorable performer of her era.

Following her formal retirement from the adult film industry, Mizukawa successfully transitioned into the lifestyle and wellness space. Utilizing the marketing insights and public profile she built over the years, she shifted her focus toward entrepreneurship and digital content creation.

Sumire Mizukawa, popularly known by her stage name "Extra Quality," is a multifaceted Japanese talent who has been making waves in the entertainment industry. Born with a passion for music, performance, and creativity, Sumire has evolved into a versatile artist, captivating audiences with her unique blend of talents.

In a world where everyone is trying to stand out, the concept of "Extra Quality" isn't just about a label—it's about a mindset. Whether you are an artist, an entrepreneur, or a professional, here is how you can apply these principles to your own brand:

In digital media distribution, the modifier "aka extra quality" serves an operational role rather than functioning as an official title. It represents specific technical and marketing practices: