|Birthdate||September 30, 1998|
|Current Age||25 Years Old|
|Social Networks||Official Website / Ameblo / Instagram / Twitter|
|Idol Career Info|
|Former Team||Kanji Keyakizaka46|
|Debuted||August 2015 / 1st Generation|
Imaizumi Yui was a member of Kanji Keyakizaka46. As of 2022 she has retired from the entertainment industry.
- Audition song: Hanamizuki (Hitoto Yo)
- Favorite Nogizaka46 member: Hori Miona
- Special skills: Piano, flute, hula hoop
- Favorite foods: Beef stomach, apple pie
- Favorite animal: Capybara
- Least favorite animal: Peacock
- She is a former member of the idol group Smile Gakuen under the name Kashiwagi Yui and nickname "Yuiful".
- She was a former junior idol.
- During Tokyo Idol Festival 2016, she took a photo with drop member Koizumi Runa, who is also a former Smile Gakuen member.
- She plays a number of instruments. As of her debut: piano (12 years), flute (2 years) and drums (1.5 years).
- With 4 elder brothers, she is the youngest in her family.
- At Keyakizaka46's first greeting event, she ended her introduction with an acappella rendition of an original song she wrote: Sugao (Honesty).
- From April 2017 to August 2017, she was in hiatus due to poor health condition.
- During that time, her spot in all performances was left empty.
- In the music video of Eccentric, her spot is either left empty or replaced by a shadow.
- She returned temporarily to film the music video for Getsuyoubi no Asa, Skirt wo Kirareta. Since the song is a prequel to Silent Majority, she had to wear a wig since she had cut her hair short during her hiatus.
- She was an "ar" regular model from December 2017 to mid-2020.
- She announced her graduation from Keyakizaka46 on August 7, 2018 and graduated in November of that year.
- Suspended her activities in August 2020 when she caught COVID-19. She returned to her activities a year later in July 2021.
- On January 2021, announced she would be getting married to YouTube star Watanabe Mahoto.
- On June 25th, announced she had given birth. A few weeks later, she announced that she would not be registering her marriage to Watanabe Mahoto and would, instead, raise the child as a single mother with support from her family.
- After graduation she joined Avex Management, but left the company and became independent on July 7, 2021.
- On October 2022, she announced her retirement from the entertainment industry after being a victim of constant stalking by media outlets.
- Silent Majority
- Sekai ni wa Ai Shika Nai
- Futari Saison
- Kaze ni Fukarete mo
- Glass wo Ware!
- Getsuyoubi no Asa, Skirt wo Kirareta (Masshirona Mono wa Yogoshitaku Naru)
- Kimi wo Mou Sagasanai (Masshirona Mono wa Yogoshitaku Naru)
- Natsu no Hana wa Himawari Dake Ja Nai (Masshirona Mono wa Yogoshitaku Naru) (Solo)
- Tokyo Tower wa Doko Kara Mieru? (Masshirona Mono wa Yogoshitaku Naru)
- 1gyou Dake no Air Mail (Masshirona Mono wa Yogoshitaku Naru) (Duet with Kobayashi Yui)
- Taiyou wa Miageru Hito wo Erabanai (Masshirona Mono wa Yogoshitaku Naru)
- Abunakkashii Keikaku (Masshirona Mono wa Yogoshitaku Naru)
- Natsu no Hana wa Himawari Dake Ja Nai (Masshirona Mono wa Yogoshitaku Naru)
- Saisei Suru Saibo (Kaze ni Fukarete mo)
- Hi ga Noboru Made (Ambivalent)
- [2018.10.03] Daremo Shiranai Watashi
- Keyakitte, Kakenai?
- The Leading Chair is My Chair (主役の椅子はオレの椅子 Shuyaku no Isu wa Ore no Isu) (2020)
- Tokuyama Daigoro wo Dare ga Koroshita ka?
- Zankoku na Kankyakutachi
- Love and Fortune (恋のツキ Koi no Tsuki) (2018)
- The Good Wife (グッドワイフ) (Episode 6) (2019)
- Human Testimony (人間の証 Ningen no Akashi) (Guest) (2019)
- Million Joe (ミリオンジョー) (2019)
- Eren the Southpaw (左ききのエレン Hidarikiki no Eren) (2019)
- Midsummer's Boy: 19452020 (真夏の少年～19452020 Manatsu no Shonen: 19452020) (2020)
- Brave Father Online: Our Story of Final Fantasy XIV (ファイナルファンタジーXIV 光のお父さん Fainaru Fantaji XIV: Hikari no Otousan) (2019)
- Rolling Marbles (転がるビー玉 Korogaru Bidama) (2020)
- A Life Turned Upside Down: My Dad's an Alcoholic (酔うと化け物になる父がつらい You to Bakemono ni Naru Chichi ga Tsurai) (2021)
- Atami Satsujin Jiken LAST GENERATION 46 (『熱海殺人事件』LAST GENERATION 46) (2019)
- Azumi ~Sengoku version~ (あずみ ～戦国編～) (2020)
- Shurayuki Hime (修羅雪姫 Lady Snowblood) (2021) - Kashima Yuki
Imaizumi Yui (2018 - Glass wo Ware!)
Imaizumi Yui (2017 - Kaze ni Fukarete mo)
Imaizumi Yui (2017 - Fukyouwaon)
Imaizumi Yui (2016 - Futari Saison)
Imaizumi Yui (2016 - Sekai ni wa Ai Shika Nai)
Imaizumi Yui (2016 - Tokuyama Daigoro wo Dare ga Koroshita ka?)
Imaizumi Yui (2016 - Silent Majority)
Imaizumi Yui (Early 2016)
Imaizumi Yui (Late 2015)
Imaizumi Yui (Early 2015)