B≡FULLEST: Three Ex-NijiCon Members form a new unit

On April 18th, the surprise announcement of a brand-new idol group called B≡FULLEST caught everyone off guard. Formed by former Niji no Conquistador members Nakamura Akari, Tsurumi Moe, and Shimizu Riko, this trio clearly had something secret, wicked, and wonderful up their sleeves. I probably should’ve seen it coming when all three announced their graduation at the same time. The result? A stunning new group with a strong concept and serious potential.

I’ve always had a soft spot for three-member idol groups—it feels like the perfect balance. But B≡FULLEST isn’t just any trio: they’re arguably three of the most otaku-minded members from NijiCon, which is really saying something. In this photo below, we can see the three of them in their B≡FULLEST outfits, which are amazing.

Their official website is live, though light on details. There’s a link to their YouTube channel and a prominent DearStage logo, confirming they’re still with the same production company. No major announcements yet, but it’s clear this is just the beginning.

Over on YouTube, they’ve posted a mysterious teaser video. It’s titled like an archive file—B≡FULLEST_20250418—and was apparently uploaded two weeks ago, completely under the radar.

B≡FULLEST_20250418

Their social media presence is minimal so far. No Instagram account (which I think would be perfect for this kind of concept), but maybe that tracks—they’ve always leaned toward Twitter. Years ago, the NijiCon girls even said they weren’t really the Instagram type, preferring platforms that cater more to otaku culture.

That said, the key visual on their website is fantastic. The group’s concept is described as “goddesses cast down from heaven to Earth”. The entire creative direction—including the worldbuilding—is overseen by Aoki Takuto (アオキタクト), known for his work on the NieR and SINoALICE franchises.

Their tagline, “この世界は、終わりから始まった。” (“This world begins when it ends.”), adds a mysterious and slightly apocalyptic tone that fits perfectly with their aesthetic.

They also held an announcement livestream titled:

“B≡ON AIR！”　B≡FULLEST 1st Online Greeting 〜始動記念配信〜

As for their sound, the livestream description mentions that their music is rooted in J-pop but draws from rock and punk influences—definitely something to keep an eye (and ear) on.

These are their individual photos in their B≡FULLEST outfits.

Are you excited to see what kind of music they release next?
Do you like the direction they’re going with this aesthetic and theme?

Let me know your thoughts in the comments!

About Nakamura Akari (中村朱里)

Nakamura Akari is a Japanese idol, a member of the female idol group Niji no Conquistador (voice-over team/choreography team). She was born in Chiba Prefecture. She belongs to Dear Stage.

Akari enjoys singing and dancing, as well as anime and voice-over artists, so she decided to participate in Pixic’s “Tsukuru! Project” auditions as her last chance during the summer of her second year of high school. Niji no Conquistador was formed and debuted on July 14, 2014. The group’s entertainment activities began at an inexperienced stage.

In 2015, she, along with Matoba Karin, provided the choreography for the song “Kimi no Kimochi Oshiete” (きみの気持ち教えて), which appears on the group’s debut album, titled “Rainbow Spectrum” (レインボウスペクトラム). In December 2016, the single “LOVEmen Koi Aji Yawame” (LOVE麺恋味やわめ) was released, which was the first Niji no Conquistador single where Akarin was the frontwoman.

In 2017, she voiced the character Mar in the PS Vita video game Nepunepu ☆ Connect Chaos Chample. That same year, the film Saint Zombie Jogakuin (聖ゾンビ女学院) was released, starring all the members of the group.

In her introduction, she always says, “I’m Nijicon’s spinning dancer.” Her color in the group is red, and it’s also her favorite color because it’s in her name. Her favorite idols are Momota Kanako of Momoiro Clover Z, Okai Chisato of °C-ute, and Mori Saki of Up Up Girls (Kari). She has interacted with the members of Up Up Girls, and Mori Saki sent her a video message at her birthday event in 2017. That was shortly before the group’s major debut.

She loves video games, and her favorite is Dragon Quest. She enjoys powering up, killing the same monster for hours. She graduated from high school in 2016 and went to the Women’s Physical Education College to study dance. There she took jazz, ballet, contemporary, tap, and other dance classes. She also belongs to the highest level of ballet.

She really likes anime. Her favorites include ONE PIECE, Kuroko’s Basketball, Haikyu!!, Ace of Diamond, Carnival, and K-ON! Her favorite voice actor is Hanazawa Kana.

She was never interested in fashion until she joined the group; before, she only wore t-shirts and jeans. When she joined the group, she was one of the shyest and couldn’t talk to anyone without someone else starting the conversation.

This is her profile information.

Name: Nakamura Akari (中村朱里)
Nickname: Akarin
Affiliation: Dubbing Voice Team and Choreography Team
Date of Birth: Friday 30th of January 1998 (age 27)
Place of Birth: Chiba, Japan
Height: 158 cm
Blood Type: B
Hobby: Video Games and Dancing
Special Skill: Ballet
Attractiveness: Long Black Hair
Dream: Budokan Idol, Voice Actress
Twitter: @nakamura_akari

About Shimizu Riko

Shimizu Riko (清水理子) is a former member of Niji no Conquistador, part of the blue team and the cosplay team.

Riko was the second oldest in the group at 24 years old. She enjoys singing and her goal is to be the group’s main singer, in addition to singing anime theme songs. In 2018, she debuted as a solo artist with a digital single. She is the only member of Nijicon, besides Nemoto Nagi, to have made her solo debut.

In May 2018, he released a solo digital single titled Colorful ~Anatato Itatoki-kan~ (Colorful～あなたといた時間～). This song was the theme song for the movie “Boku wa boku, kujira wa kujira de, oyoide iru.” (ボクはボク、クジラはクジラで、泳いでいる。) which premiered in the fall of that year.

Profile Information

Nickname: Rikopin, Shimiko, Hijishin (Goddess of Shoulders)
Affiliation: Cosplay Team
Date of Birth: 28 de enero de 1997 (28 años)
Place of Birth: Wakayama, Japan.
Height: 167 cm
Blood Type: AB
Hobby: Visiting various sushi restaurants.
Special Skills: Singing.
Attractiveness: Her dark skin color.
Dream: Singing anime theme songs.
Twitter: @shimizu_riko

She joined the group at the same time as Chance, both as a trainee and as the main group. In fact, they both appear alongside Airi as extras in the music videos for LOVE Men: Koi-aji Yawame (LOVE麺恋味やわめ) and Retoruto ~Kareinaru Ai~ (レトルト～華麗なる愛～).

Riko was one of the original members of an idol group called 81moment, formed in August 2015, but graduated in April 2016, shortly before joining 2zicon.

About Tsurumi Moe

Tsurumi Moe (鶴見萌) is a former member of the first generation of Niji no Conquistador. She joined the group a few months after the original members in September 2014. She is currently part of the Rojo group and the cosplay team.

In April 2018, she formed a temporary group for the @JAM EXPO 2018 event with Ando Emi (Jewel ☆ Ciel) and Okiguchi Yuna (Magical Punchline). The group was named MEY.

Since 2018, she has been the official cosplayer of the main character in the video game SINoALICE (ーシノアリスー), developed by Pokelabo and distributed by Square Enix.