Horie Kizuki was born on May 14, 1998 in Kiyose, Tokyo, Japan.
In 2012, Horie was a member of ZAWA Girl Project's B-FLY!, a local idol group.
On October 14, 2013, Horie joined NICE GIRL Project! Kenshuusei.
On November 16, NICE GIRL Project!'s trainee program was abolished. Soon after, Horie, alongside Hashimoto Nagisa, Ogata Risa, Shimano Momoko, Hirose Ayaka and Inoue Rei, were given the opportunity to become members of Hello Pro Kenshuusei, transferring to UP-FRONT PROMOTION and joining Hello! Project. She was formally introduced during the Hello Pro Kenshuusei Happyoukai 2014 ~11gatsu・12gatsu no Nama Tamago Show!~ recital concert on November 29 alongside the former NICE GIRL Project! trainees and 3 other girls.
On May 4, Horie won the judge's best character award at the Hello Pro Kenshuusei Happyoukai 2015 ~Haru no Koukai Jitsuryoku Shindan Test~ event for her performance of "Shabondama".
Horie participated as the opening act and a backdancer in the ℃-ute Concert Tour 2016 Haru ~℃ONCERTO~, ℃-ute 12 Nenme Totsunyuu Kinen ~℃-Fes! Part 1 9gatsu 5ka mo ℃-ute no Hi at Nippon Budokan~, and ℃-ute Concert Tour 2016 Aki ~℃OMPASS~.
On May 5, Horie won the judge's dance award at the Hello! Project Kenshuusei Happyoukai 2017 ~Haru no Koukai Jitsuryoku Shindan Test~ event for her performance of "Wasureta Ageru".
On August 9, it was revealed in a Twitter post by Kitabayashi Asuka, Horie's dance partner in the SAYUMINGLANDOLL series, that Horie had become a dancer in Team 445, YOSHIKO's choreography team.
Horie returned to public eye as a dancer in the Pretty Cure 15 Shuunen Anniversary Live ~15☆Dreams Come True~ on January 19 and 20, after which she opened a Twitter account.
On April 12 and 21, Horie and her older sister Mizuki were back-up dancers for Suzuki Airi's birthday event, Suzuki Airi Birthday Event 2019 Dai 2kai Airi Mania Kai.
On September 3, she and her sister announced they would open a studio in October in their hometown Kiyose named KIDS POWER SPORTS ACADEMY with dance, yoga, acrobatics, and all-around sports classes for children and adults. They also adopted the simplified instructor names KIZUKI and MIZUKI.
On February 19, she appeared at choreographer YOSHIKO's event YOSHIKO-sensei Hello Pro Furitsuke 20shuunen Kinen team445 Dummy Fes. ~"Kiiroi Osora de BOOM BOOM BOOM" kara 20nen☆Furitsuke Zen 494 Kyoku kara Episode Digest~ at Zepp DiverCity in Tokyo. She was one of the members of the dance unit Team445, and had rehearsed for four months as part of the unit to perform the dances of songs that YOSHIKO had choreographed at the event.
When Horie joined Hello Pro Kenshuusei, she was a first high school student. She started high school in April 2013 and graduated in March 2016.
The following list are notable friendships Horie Kizuki has acquired:
Here is a list of nicknames that was used to refer to Horie Kizuki:
- Kiichan (きぃちゃん /きーちゃん): Official nickname, given to her when she joined NICE GIRL Project! Kenshuusei.
- Horietti (ほりえってぃー): Used by Ichioka Reina.
- Name: Horie Kizuki (堀江葵月)
- Nickname: Kiichan (きぃちゃん / きーちゃん), KIZUKI
- Birthdate: May 14, 1998
- Birthplace: Kiyose, Tokyo, Japan
- Blood Type: Unknown
- Height: 155cm
- Western Zodiac: Taurus
- Eastern Zodiac: Tiger
- Hello! Project Status:
- 2014-11-29: Joined Hello Pro Kenshuusei
- 2018-08-24: Left
- NICE GIRL Project! Status:
- 2013-10-14: NICE GIRL Project! Kenshuusei member
- 2014-11-16: Left
- UP-FRONT GROUP Status:
- Hello! Project Groups:
- Hello Pro Kenshuusei (2014-2018)
- Other Groups:
- Hobbies: Music, Dancing, Singing, Picking out clothes
- Special Skills: Dance, Singing, Mat exercise, Imitation
- Favorite Music Genre: J-Pop and Ballad
- Strength: She likes making people smile
- Weakness: She gets too single-minded on the things she wants
- Interests: Disney
- Favorite food: Strawberries and Camembert Cheese
- Least favorite food: Raw vegetables
- Favorite Colors: Pink, Red
- Favorite Sport: Volleyball
- Charm points: Her smile, her funny faces
- Motto: Mokuhyou atte mo gouru wanai (目標あってもゴールはない ;There's no goal without a target)
- Favorite Hello! Project songs: Shabondama, Tsugi no Kado wo Magare
- Looks Up To: Suzuki Airi, Sayashi Riho
-  Nega Poji Poji
-  JK Ninja Girls
-  Bokutachi Karen na Shounen Gasshoudan
-  Pharaoh no Haka ~Hebi Ou Sneferu~
-  JK Ninja Girls (cameo)
- [2014-2018] Hello! Project Station
-  ℃-ute - Tsugi no Kado wo Magare (as a back-up dancer)
-  ℃-ute - To Tomorrow (as a back-up dancer)
- She has been a fan of Morning Musume since she was in kindergarten.
- She has been studying dancing since she was 4.
- She wants to go to America, specifically New York and Hawaii.
- She prefers to be "Suppin" (makeup-free).
- She loves matcha lattes (green tea lattes).
- Said in a live that she was aiming to be the sexy character in NICE GIRL Project! Kenshuusei.
- She is the fourth Hello Pro Kenshuusei member who came from an idol group outside of Hello! Project.
- Her favorite Hello! Project song is "Shabondama" by Morning Musume.
- She wants to have a major debut under Hello! Project and become an idol that breaks out on a global scale.
- She was asked to join Hello! Project's trainees when she was working as an NGP trainee.
- She has a lot of opportunities to dance back-up for the Hello! Project acts and watch their performances, which gives her more motivation to improve.
- She loves dancing so she is always working on that, but she isn't great at singing so she wants to work on getting the more difficult parts of rhythm down and figuring out different ways to sing things.
- She thinks she might not get many more chances to debut within Hello! Project, but she'll keep working hard all the same and looking for your support.
- Her rival in Hello Pro Kenshuusei was Hashimoto Nagisa.
- Ueno Mariko said Horie Kizuki is like a utility player. She supports the members behind and is reliable.
- Her future goal is to do skits that make people happy.
- She believes her weakness is becoming too focused on the things she wants.
- She likes Disney.
- Horie Kizuki on the NICE GIRL Project! Wiki
- Gallery:Horie Kizuki
- List:Horie Kizuki Discography Featured In
- List:Horie Kizuki Concert & Event Appearances
- ↑ "道重さゆみの「再生」公演、本日開幕！ショー原案は有田直央のデビュー作" (in Japanese). natalie. 2017-03-19.
- ↑ "「SAYUMINGLANDOLL～宿命～」4月公演 NEXT先行受付のお知らせ" (in Japanese). UP-FC. 2018-02-17.
- ↑ https://twitter.com/asuka_kita/status/1027579269881319425/photo/
- ↑ "最近のアメブロ" (in Japanese). Room.445. 2019-02-08.
- ↑ "Hello! Project 研修生発表会 2018 9月 ～もみじ～" (in Japanese). Hello! Project. 2018-08-24.
- ↑ https://twitter.com/KiiDance/status/1087008204259639297
- ↑ https://twitter.com/airimania/status/1119977786242818048
- ↑ https://twitter.com/KiiDance/status/1119933382987616259
- ↑ https://twitter.com/mizukizukiyose/status/1169792669347745793
- ↑ "YOSHIKO先生ハロプロ振付20周年記念 team445 ダミーFes.~「黄色いお空でBOOM BOOM BOOM」から20年☆振り付け全494曲からエピソードダイジェスト～" (in Japanese). ODYSSEY INC.
- ↑ https://twitter.com/kiidance/status/1230136923022184448?s=21
- ↑ https://twitter.com/mizumizukikiki3/status/1097048401122856960
- ↑ https://twitter.com/KiiDance/status/1106168595283759104
- ↑ 14.0 14.1 BOMB September 2018 issue.
- Hello Pro Kenshuusei Profile (archived)
- Trainees Collection blog (tag: "Horie Kizuki") (inactive)
- Hello Pro Kenshuusei Blogs: March 2015, 2015 Test, May/June 2015, Tour blog