Wasuta

In January 2015, iDOL Street held an audition for their fourth major idol group at Yoyogi Park Outer Field Stage.[9] On March 29, 2015, Wasuta was formally announced at an iDOL Street Street-sei event.[10] The group's image is described as a digital age idol generation that works towards the world to spread "kawaii japan idol" culture using social media and "real idol" activities.[11] Their first performance was on April 29 at "iDOL Street Carnival 2015 - GOLDEN PARADE!!!!!" at NHK Hall.[12]

In September 2015, the members of Wasuta appeared as in-game characters in the mobile game Nyan Puzzle.[13] They released their first digital single "Inu Neko. Seishun Massakari" in October 2015.

In February 2016, the members of Wasuta participated in a "student pass" promotion campaign for Sanrio Puroland,[14] and performed their first one-man concert on February 28 at Shibuya Club Quattro.[15] In May, Wasuta released their first full album, The World Standard. In June, Wasuta created the song "Pawawawawan!!! Powerpuff Girls" to promote the release of The Powerpuff Girls series in Japan,[16][17] and performed at the @JAM festival in Shanghai, China.[18] In July Wasuta appeared at C3 CharaExpo in Singapore.[19] In September, they were appointed as official supporters for the 20th anniversary of the Tokyo Game Show,[20] and released the song "Gu Choki Pants no Seigi San" as the opening theme for the anime series Heybot![21][22] In October, the group began the radio program "World Standard Nippon", broadcasting weekly through March 2017,[23] and released their first CD single, "Kanzen naru Idol".

In February 2017, Wasuta released the Blu-ray video and digital album Kanzen'naru Live House Tour 2016 Tour Final at Shibuya O-West. The same month, Wasuta released the single "Yuumei ni, Nyaritai" and performed at Japan Expo Thailand 2017.[24][25] In April, the follow-up single "Just Be Yourself" was released as the opening theme for the anime series Idol Time PriPara[26] and the film PriPara Movie: Minna no Kagayake! Kirarin☆Star Live!,[27] and the group performed at Tale in Wonderland Vol.2 in Taipei, Taiwan.[28]

In June 2017, Wasuta returned to Taipei for the solo concert "Wasuta Land".[29] In July, they performed in Paris, France, at Japan Expo,[30] and in Shanghai at @JAM 2017.[31]

In October 2017, Wasuta had same-day triple-release which included the album Paradox World, the CD single "Saijoukyuu Paradox" (a new opening theme for Idol Time PriPara), and the digital live album The World Standard ~Yume ga arukara tsuite kite ne~ @ Zepp DiverCity (Tokyo) 22.Apr. 2017.[32][33] The group also announced a collaboration with the Big Echo karaoke chain.[34]

In January 2018, Wasuta performed at Japan Expo Thailand 2018.[35] In March, the group released the music card digital single "Welcome to Dream" (Idol Time PriPara ending theme), followed in April by the digital single "Pretty ☆ Channel" (Kiratto Pri☆chan ending theme).[36]

In June 2018, Wasuta released the mini-album Jumping Summer, which featured collaborations with vocaloid producer Mikito P ("Platonic Girl"),[37] Da-iCE's Taiki Kudo, and Shirose of White Jam ("Tapioca Milk Tea").[38][39] That same month, Wasuta was appointed official "Kawaii Ambassador" for the Rage Summer 2018 esports tournament,[40] was featured in a promotion campaign for the Ise Egg company,[41][42] and performed at Asia Comic Con in Bangkok, Thailand.[43]

In July 2018, Wasuta collaborated with The Alley boba tea restaurant to promote the music video for "Tapioca Milk Tea", which included the members taking tea orders and serving fans in person.[44] In August 2018, they collaborated with the Spanish duo Adexe & Nau on a Japanese/Spanish remix of the single "Yo Quiero Vivir".[45][46] On September 29–30, Wasuta performed at Japan Weekend Madrid.[47]

In October 2018, Wasuta released the single "Kira Kira Hologram" (Kiratto Pri☆chan ending theme)[48] and the mini-album Girls Be Ambitious![49]

In December 2018, Wasuta was featured in a promotion campaign for Hokkaido Resort Liner and Kiroro Ski Resort, which included special wrap-around bus images and a ski-themed music video for the song "Love Unmelt".[50][51] The group was also added to the artist lineup of the Japanese mobile game Girls Beat Stage.[52] Wasuta performed at the Japan and Vietnam Sports & Culture Festival Kizuna at Hoa Lu Stadium in Ho Chi Minh City, Vietnam, on December 29 and 30, 2018.[53][54]

In January 2019, Wasuta performed at Japan Expo Thailand 2019 in Bangkok.[55] In February 2019, the members of Wasuta were featured as models in a promotion campaign for the Jamie Ank spring fashion collection.[56]

In March 2019, Wasuta returned as "Kawaii Ambassador" for the Rage Spring 2019 esports tournament[57] and performed at @JAMxTALE 2019 in Hong Kong.[58][59] Also in March, Wasuta released their third full album Cat'ch the World, which ranked number 17 on the Oricon chart. In April, the group's song "Shining Flower" was used as the ending theme song for the second season of Kiratto Pri☆chan.[60][61]

On May 25, Wasuta performed their first North American concert at Anime North in Toronto, Canada.[62] In June, the RPG-video-game themed mini-album The Legend of WASUTA was released, reaching number 15 on Oricon. In October, the group released the double-single "Shani Muni Ikiru! / Bathtub Aromatic", which was the group's first release to break into Oricon's Top 10 ranking.[63]

Wasuta also released their first photobook Wasuta – Wonderful Collection in 2019, and launched their own YouTube channel for the group's music videos and video diaries (called "Wa→Tube") recorded in Japan and overseas.

On February 1–2, 2020, Wasuta performed at Japan Expo Thailand 2020.[6] Also in February, Japan's Hawaiian Pancake Factory created a limited-time "Wasuta Cafe" with special menu items designed by the group members and decorations in the Shinjuku restaurant.[64]

In March 2020, Wasuta released the 2-CD Wasuta BEST collection, which included the group's lead tracks from their debut in 2015 through the 2020 song "Grapefruit Moon". The set's second disc featured 10 songs chosen by members of Wasuta’s “Wa-Ship” fan club.[65][66]

On March 28, 2020, Wasuta performed a no-audience livestream concert at Line Cube Shibuya for their 5th Anniversary after the original event had been cancelled by COVID-19 restrictions.[67][68] On the same day, the group's second photobook 1/5 was released, featuring images of each member in her hometown.[69][70]

In April 2020, the group was featured in the Japanese mobile rhythm game Ai Koi Noto.[71] In August, Wasuta released the single "Sunday Sunshine!"[72] In November, WaSuta released their fourth mini album What's Standard?.

In March 2021, Wasuta released the single "Haru Hanabi". In August of the same year, Wasuta released the single "Yomibito Shirazu no Love Song", the last single featuring founding member Hazuki Sakamoto.

On June 8, 2021, Sakamoto announced that she would graduate from Wasuta, leave show business and retire from public life on December 31 in hopes of joining the workforce.[73]

In March 2022, Wasuta released the single "MiRival Dance", the first single after Sakamoto's retirement. On May 30, they released the single "Sora to Sakana".

On August 17, 2022, Wasuta released their fifth album, Wareware wa Neko de Aru.

On February 22, 2023, Wasuta released the single "Suman, Inu." On June 03, the group had their live performance at TIF ASIA TOUR 2023 in Seoul.

On July 19, they released the digital single “Miracle Magical Healthy Power”.

On August 30, they released the single “Melo Melo! Love Rock”, the first rock number in the group's discography.[74]

• Nanase Hirokawa (廣川 奈々聖) (group leader)
• Miri Matsuda (松田 美里)
• Ririka Kodama (小玉 梨々華)
• Ruka Mishina (三品 瑠香)

• Hazuki Sakamoto (坂元 葉月) (graduated 31 December 2021)