Rara Anzai, also known in earlier stages of her career as Shion Utsunomiya and RION, is a Japanese adult video actress widely recognized for her work with S1 No.1 Style. She is one of the more memorable names in the Japanese adult entertainment industry, known for her striking visual presence, multiple career phases, and strong recognition among fans in Japan and overseas.
This profile summarizes publicly available information about her background, career, media appearances, and fan reputation. For private details that are not reliably confirmed, this article avoids speculation and clearly notes when information is not publicly verified.
Basic Public Profile
| Item | Public information found |
|---|---|
| Stage name | Rara Anzai / 安齋らら |
| Former names | Shion Utsunomiya / 宇都宮しをん; RION |
| Date of birth | March 1, 1994 |
| Age | 32, as of July 9, 2026 |
| Birthplace | Kyoto Prefecture, Japan |
| Nationality / citizenship | Japanese |
| Blood type | O |
| Height | 161 cm |
| Public measurements | B105 / W58 / H89 cm |
| Reported cup size | J cup |
| Reported weight | 59.5 kg, listed in a 2022-style profile record |
| Agency history | 8man → T-Powers → 8man, according to public profile histories |
| Main studio | S1 No.1 Style |
| Hobby listed publicly | Swimming |
Career Overview
Rara Anzai first became known under the stage name Shion Utsunomiya. She debuted in adult video in September 2013 as an exclusive actress for S1 No.1 Style. Her early career attracted attention quickly, and public career summaries note that she placed second in the “Super Heavyweight” category at AV OPEN 2014.
After her first phase as Shion Utsunomiya, she later returned under the name RION in 2015, again working with S1. This period became another major part of her public career, with many titles released under the RION name.
After a pause in activity around 2018, she returned in December 2019 under the name Rara Anzai. This third stage of her career made her name recognizable to a new wave of fans while also connecting her to the earlier Shion Utsunomiya and RION eras.
Public records and studio listings show a large catalog of works across these three names. The exact total can vary depending on whether compilations, best-of releases, and re-releases are counted separately.
Public Image and Fan Reputation
Rara Anzai is especially known for the public image often described in Japanese media and fan communities as the “Oppai Goddess” or “God’s Breasts.” This image became strongly associated with her during her gravure and adult video career, particularly around her early publicity and photo book appearances.
Among fans, she is remembered as a high-impact S1 exclusive actress with a distinctive presence. Her popularity was not based only on appearance, but also on the sense of mystery around her career. She changed names several times, disappeared and returned, and maintained a public image that felt both glamorous and somewhat elusive.
For overseas fans of Japanese adult entertainment, this name-change history is also part of what makes her interesting. Many fans first discover one stage name, then later realize that Shion Utsunomiya, RION, and Rara Anzai refer to the same performer.
Education, School Life, and Private Background
Reliable public information about her education, school life, student club activities, first love, first relationship, personal sexual history, and detailed family situation is very limited.
No reliable public source was found for the following topics:
School attended
Student club activities
Student-life episodes
First love
First boyfriend or first relationship
First sexual experience
Detailed personal motivation for entering the adult video industry
Whether her family or close friends know about her AV career
Because these are private biographical details about a living person, they should not be treated as fact unless they come from a reliable interview, official profile, or direct public statement by the actress herself.
Selected Filmography by Stage Name
Her complete filmography is extensive, especially when best-of editions, compilations, and re-releases are included. The following is a simplified overview of her main public career phases.
As Shion Utsunomiya / 宇都宮しをん
Her early S1 works began with her debut title, “新人NO.1STYLE 宇都宮しをん AVデビュー,” released in 2013. Other publicly listed titles from this phase include “黄金比ボディ 宇都宮しをん,” “宇都宮しをん、イキます。,” “しをんと同棲ズボズボ性活,” “交わる体液、濃密セックス,” “バコバコ高級ソープ嬢,” “顔射ベトベト,” “外でエッチしよう,” “セクシーチャンネル,” and “秘密捜査官の女.”
This period established her as a major newcomer with unusually strong visual impact.
As RION
She returned under the name RION in 2015. Her RION-era works include many titles released through S1, along with best-of and themed releases.
Publicly listed titles from this phase include “交わる体液、濃密セックス RION,” “RIONの汗だく、種付け、本気セックス,” “RIONがイクときの絶叫,” “超高級風俗嬢,” “生きたまま精子を飲み尽くす,” “痴漢願望,” and “完全緊縛されて無理やり犯された巨乳女子校生.”
This phase further expanded her reputation and helped make the name RION strongly recognized among adult video fans.
As Rara Anzai / 安齋らら
Her return as Rara Anzai began in 2019 with “神の乳を持つオンナ 安齋ららデビュー 奇跡の超乳7挟射スペシャル.”
Later listed works include titles released through 2020 and 2021, as well as best-of editions and catalog entries through 2022 and 2023. Publicly listed titles include “射精20発させちゃう,” “透けるノーブラ,” “Jカップと噂の美人上司,” “異常なる大絶頂,” “彼女の姉は,” and “最高射精 神の乳パイズリ.”
For readers who want a complete filmography, the official S1 catalog is the most appropriate place to check because it separates works by stage name and includes catalog entries, compilations, and later releases.
Photo Books, Gravure, and Media Appearances
Rara Anzai’s public image was also shaped by gravure and photo book work.
In 2014, Shueisha released “Hello, Goodbye 宇都宮しをん写真集,” photographed by ND CHOW. During this period, she was also featured in Weekly Playboy, which helped strengthen her public recognition beyond adult video fans.
As RION, she released photo books including “my home RION first photo book” in 2015 and “Carry On” in 2017.
Public profile records also list digital photo books, calendars, trading cards, magazine appearances, a TV appearance on “Sweet Angel #78,” and a game appearance in “Shinjuku Scout Battle.”
Social Media and Fan Communities
Historical references connect the handle @RION_bwhp with her RION-era social media presence, including Twitter/X and Instagram. However, because social media accounts can be deleted, changed, impersonated, or archived unofficially, readers should be careful when identifying current official accounts.
Some public data sources also list “raraanzai.official” as an Instagram username, but this should not be treated as verified unless confirmed directly through an official agency, studio, or the actress herself.
No reliably confirmed official TikTok, YouTube channel, RED/Xiaohongshu account, Fantia page, or current official fan club was found. There are fan pages and repost accounts, but those should be treated as unofficial unless clearly verified.
Conclusion
Rara Anzai is best understood as a major Japanese adult video actress with three public career identities: Shion Utsunomiya, RION, and Rara Anzai. Her career is closely connected with S1 No.1 Style, and her public image is strongly associated with the “Oppai Goddess” reputation that made her stand out in both AV and gravure circles.
Her public profile, stage names, measurements, studio history, selected works, and photo books are relatively well documented. However, her education, first love, first relationship, private sexual history, family disclosure, and personal motivation for entering adult video are not reliably confirmed in public sources.
For that reason, the most accurate way to describe her is not through rumors, but as a highly recognizable performer whose name changes, comebacks, and strong visual identity made her one of the memorable figures in modern Japanese adult entertainment.