Koizumi Karen

 (小泉花恋) is a Japanese solo idol, and a former member of bonbon ange, The Nyantokanyaru's, Star☆FioreNerd, and Artemis no Tsubasa.

On August 23, 2015, she graduated from bonbon ange and started solo activities.

In March 2018, she joined the group The Nyantokanyaru's.

On April 30, 2019, she ended her activities as a solo idol.

On January 2, 2020, it was announced that she would join Star☆FioreNerd on January 4, 2020.

On February 20, 2021, it was announced that she would be joining Artemis no Tsubasa as "playing producer/member" under the stage name Super Zeus Karen (スーパーゼウス･カレン). She would be making her pre-debut live with the group on March 20, and joining as a full member on April 10. On November 21, 2021, it was announced that she had decided to leave the group and would resume her activities as a solo idol under her real name.

Profile

 * Birthplace: Ueno, Taito, Tokyo, Japan
 * Special Skills: Buyou and talking about idols
 * Hobbies: Idol appreciation and reading
 * Favorite Things: Pandas and Snow White

Albums

 * 1) [2017.10.04] One Rank Ueno Girl (ワンランクウエノガール)

Singles

 * 1) [2016.09.17] Panda to Danpa / Ueno de Date (パンダとダンパ／上野でデート)
 * 2) [2016.11.13] Chikutaku Teleport (チクタクテレポート)
 * 3) [2017.07.05] Kuri~Mi~Rabyu (くりぃ〜み〜らびゅ)
 * 4) [2018.04.11] Ueno Ookumaneko (上野大熊猫)
 * 5) [2018.04.11] Kawaii ka na? (かわいいかな?
 * 6) [2019.02.15] Suki Suki Suki Su Kiss (好きすきスキスKiss)
 * 7) [2019.03.29] Unmei no Hito (運命のひと)

Singles

 * Lock On !!! / Sainou Kaika!

Digital Singles

 * Bring it on!

Singles

 * The Nyantokanyaru's Chikyuujo de CD Debut

Trivia

 * She participated in Spring Tokyo Gravure Idol Festival 2022 Online.
 * She participated in Tokyo Gravure Idol Festival 2022.