She first joined as a member of Hello Pro Kenshuusei and was introduced on May 4, 2015 alongside seven other girls at the Hello Pro Kenshuusei Happyoukai 2015 ~Haru no Koukai Jitsuryoku Shindan Test~.
Maeda was born on June 23, 2002 in Saitama, Japan.
On April 1, Maeda officially joined Hello Pro Kenshuusei. She was formally introduced and participated in the Hello Pro Kenshuusei Happyoukai 2015 ~Haru no Koukai Jitsuryoku Shindan Test~ on May 4, 2015 alongside Ono Mizuho, Nakano Rion, Yanagawa Nanami, Akiyama Mao, Kanatsu Mizuki, Kasahara Momona, and Okamoto Honoka.
Maeda participated in the opening act and as a back dancer for the ℃-ute Concert Tour 2015 Aki ~℃an't STOP!!~.
Maeda participated in the opening act and as a back dancer for 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~.
From January 5 to January 9, Maeda participated in the opening act and as a backup dancer for ℃-ute Shinshun Concert 2017 ~℃OMPASS~, and from April 1 to June 4, she participated in ℃-ute Concert Tour 2017 Haru ~℃elebration~.
On May 5, she won the judge's dance award at the Hello! Project Kenshuusei Happyoukai 2017 ~Haru no Koukai Jitsuryoku Shindan Test~ event for her performance of "Suki Sugite Baka Mitai".
On February 13, she participated in a fanclub event titled Hello Pro Kenshuusei Special Event in Nagoya ~Hajimemashite! 2~ at Midland Square Cinema 2 alongside Yamazaki Yuhane, Nishida Shiori and Shimakura Rika, where she performed a cover of "Kokoro no Sakebi wo Uta ni Shitemita".
On March 20, she participated in a fanclub event titled Engeki Joshibu "Bokutachi Karen na Shounen Gasshoudan" DVD Hatsubai Kinen Special Event in Nagoya at Midland Square Cinema 2 alongside Noguchi Kurumi, Yonemura Kirara, Yamazaki Yuhane, Nishida Shiori and Shimakura Rika.
On May 6, she won the judge's dance award at the Hello! Project Kenshuusei Happyoukai 2018 ~Haru no Koukai Jitsuryoku Shindan Test~ event for her performance of "Silver no Udedokei".
On June 9, during the Hello! Project Kenshuusei Happyoukai 2018 6gatsu ~Niji~ in Tokyo, it was announced that Maeda was selected alongside Okamura Minami and Yamazaki Yuhane to join the second new group which already includes Takase Kurumi and Kiyono Momohime and would debut later in 2018.
On September 23, Maeda was appointed with eight other OG and active Hello! Project members from Saitama Prefecture as Host City Special Supporters for Kumagaya during the Rugby World Cup 2019 hosted by Japan.
On October 19, the name of her group was revealed as Ame no Mori Kawa Umi. It was also announced that it would be part of the collective group BEYOOOOONDS with the group led by Ichioka named CHICA#TETSU and the winners of the Hello! Project "ONLY YOU" Audition.
On March 25, it was announced that she and Kawamura Ayano both became members of the Hello! Project Mobile advertising department and the monthly exclusive radio program Hello! Project Mobile Sendenkaigi, joining current members Nonaka Miki and Ogata Risa.
On June 24, Maeda celebrated her 17th birthday at a fanclub event titled BEYOOOOONDS / Ame no Mori Kawa Umi Maeda Kokoro Birthday Event 2019 with two shows at TOKYO FM HALL.
On September 7, she will celebrate her 18th birthday at a fanclub event titled BEYOOOOONDS / Ame no Mori Kawa Umi Maeda Kokoro Birthday Event 2020 with two shows at Shinjuku ReNY. In compliance with government policy, cheering, crowding, standing, and closeness in the venue were prohibited, and wearing masks were required to enter.
Her father is a chef who specializes in Italian cuisine, and she has an older brother.
She owns a Yorkshire terrier named Natsu.
When Maeda joined Ame no Mori Kawa Umi, she was a first year high school student. As of April 2020, Maeda is currently in last year of high school.
Kokoro has a black belt in karate, was a runner up in a prefectural tournament and participated three times at the national level.
The following list are notable friendships Maeda Kokoro has acquired:
- Name: Maeda Kokoro (前田こころ)
- Birthdate: June 23, 2002
- Birthplace: Saitama, Japan
- Blood Type: A
- Height: 168cm
- Western Zodiac: Cancer
- Eastern Zodiac: Horse
- Hello! Project Status:
- UP-FRONT PROMOTION Status:
- 2015-04-01: Member
- BEYOOOOONDS / Ame no Mori Kawa Umi Member Color: Sea Blue
- Hello! Project Groups:
- Other Groups:
- Hobby: Watching videos of Hello! Project, listening to music
- Special Skills: Karate (2nd degree blackbelt)
- Favorite Music Genre: J-Pop (idols)
- Strength: She does everything full-force
- Weakness: She's very afraid of things
- Favorite Food: Soba, crushed red pepper and cheese
- Least Favorite Food: Tomatoes and green peppers
- Favorite Colors: White, pink, red, yellow
- Favorite Sport: Karate
- Charm Points: Her brown eyes and husky voice
- Motto: "Shinken shoubu" (真剣勝負; Give it your all)
- Favorite Hello! Project songs: "Honto no Jibun", "Nani wa Tomo Are!", "Tachiagirl", "Moshimo...", "Egao no Kimi wa Taiyou sa", "Koi Dorobou"
- Looks Up To: Kudo Haruka, Sasaki Rikako
- [2020.09.19] eighteen face
- [2019.10.25] IDOL FILE magazine vol.17 : 90's FASHION
-  Nega Poji Poji
-  Bokutachi Karen na Shounen Gasshoudan
-  Pharaoh no Haka ~Hebi Ou Sneferu~
-  Time Repeat ~Towa ni Kimi wo Omou~
-  Fushigi no Kuni no Alicetachi
-  Reborn ~13nin no Tamashii wa Kami-sama no Yume wo Miru~
-  Arabeyooooonds Nights
-  JK Ninja Girls (cameo)
- [2016–2019] The Girls Live
- [2019–2020] AI・DOL PROJECT (AI・DOL プロジェクト)
- [2019–2020] Hello Pro! TOKYO Sanpo (ハロプロ!TOKYO散歩)
-  KURAGAE ~Watashitachi no Koto, Oshite Kudasai!~ (KURAGAE –私たちのこと、推してください！-)
- [2020–] Uta-navi! (うたなび！)
-  Hello! Project presents... "Solo Fes!"
- [2015–] Hello! Project Station
- [2018–] Upcoming
- [2018–] tiny tiny
- [2018–] OMAKE CHANNEL
- [2019–2020] Hello Pro no Oshigoto Challenge
-  Hello Pro Kouhaku Taiko THE☆BATTLE 2019
- [2019-] Hello! Project Mobile Sendenkaigi (ハロ！モバ宣伝会議) (Hello! Project Mobile exclusive)
- She wanted to debut in a new unit within Hello! Project and give smiles and energy to people.
- She failed a Morning Musume 12th Generation audition, so she joined the Kenshuusei to get practice in the hopes of still debuting.
- She was worried at first because she doesn't have any experience in singing or dancing and didn't know how things would go, but she's had a lot of fun in Hello Pro Kenshuusei.
- She wants to get good enough at dancing that people would think she's good, since right now she still has minimal experience with it.
- In an interview with Top Yell in July 2016, she said her future dream is to debut in Hello! Project and become an idol who has many activities.
- In the drama Budokan, she was shown as a 13th generation member of the fictional group NEXT YOU in the year 2028.
- In ℃-ute Okai Chisato Birthday Event 2016, Okai Chisato gave her a catchphrase and pose, where she holds her fist to her chest and says "My heart is here!" (私の心はここにある!; Watashi no Kokoro wa Koko ni Aru!). She also uses this phrase to begin her blog posts.
- Her family celebrated her 2017 award with her father's homemade pasta.
- She shares the same last name as original S/mileage member Maeda Yuuka, former Hello! Project soloist Maeda Yuki, and former Hello Pro Egg member Maeda Irori.
- She always admired Kudo Haruka and already knew some things about Hello! Project.
- It was revealed during the Hello! Project 2020 Winter concerts that Kokoro's older brother was childhood friends with the older brother of former Morning Musume member Kudo Haruka.
- Gallery:Maeda Kokoro
- List:Maeda Kokoro Discography Featured In
- List:Maeda Kokoro Publications Featured In
- List:Maeda Kokoro Concert & Event Appearances
- List:Maeda Kokoro Pocket Morning Weekly Q&A
- ↑ 1.0 1.1 Maeda Kokoro. "女装じゃないよ！笑 ʚ♡ɞ 前田こころ" (in Japanese). BEYOOOOONDS / Ame no Mori Kawa Umi Official Blog. 2019-02-11.
- ↑ https://ameblo.jp/beyooooonds-rfro/entry-12435594650.html
- ↑ Yamagishi Riko. ""発表！"山岸理子" (in Japanese). Tsubaki Factory Official Blog. 2018-06-09.
- ↑ "「熊谷圏オーガニックフェス、ラグビーワールドカップ2019™開催1年前イベント」中島早貴、浜浦彩乃(こぶしファクトリー)出演！" (in Japanese). Hello! Project. 2018-09-19.
- ↑ <"ラグビーワールドカップ2019™開催1年前イベント" (in Japanese). Saitama Prefecture. 2018-09-18.
- ↑ "新グループ、グループ名決定のお知らせ" (in Japanese). Hello! Project. 2018-10-19.
- ↑ "ハロー！プロジェクト新グループ、グループ名決定のお知らせ" (in Japanese). Hello! Project Station (via YouTube). 2018-10-19.
- ↑ Kawamura Ayano. "☆ハロ！モバ新入部員☆川村文乃" (in Japanese). ANGERME Member Official Blog. 2019-03-25.
- ↑ "★ファンクラブ会員限定イベント★「BEYOOOOONDS/雨ノ森 川海 前田こころバースデーイベント2020」開催決定！" (in Japanese). UP-FC. 2020-08-07.
- ↑ https://www.youtube.com/watch?v=7hDZm_Yxf4o
- ↑ "ハロプロ研修生・前田こころに20の質問！【ハロプロ誕生20周年記念連載】" (in Japanese). The Television. 2018-07-25.
- ↑ http://hpkenshu.web.fc2.com/kenblog/tamago_2016_06/p_393.html
- ↑ 13.0 13.1 "ハロプロ進化論の最新形態「超・令和型アイドル」BEYOOOOONDSインタビュー（１）" (in Japanese). ENTAME next. 2019-04-16.
- ↑ "BEYOOOOONDS FCイベント2018 ~冬の陣ZIN ~" (in Japanese). Suzuki Keita Official Blog. 2018-12-03.
- ↑ Hello Dream. Episode 17.
- BEYOOOOONDS / Ame no Mori Kawa Umi Official Profile
- BEYOOOOONDS / Ame no Mori Kawa Umi Official Blog
- Hello Pro Kenshuusei Profile (archived)
|BEYOOOOONDS / CHICA#TETSU||Ichioka Reina (Leader) | Shimakura Rika | Nishida Shiori | Eguchi Saya|
|BEYOOOOONDS / Ame no Mori|
|Takase Kurumi (Leader) | Maeda Kokoro | Yamazaki Yuhane | Okamura Minami | Kiyono Momohime|
|BEYOOOOONDS||Hirai Miyo | Kobayashi Honoka | Satoyoshi Utano|
|Major Singles||1. Megane no Otoko no Ko / Nippon no D・N・A! / Go Waist|
|Other Singles||Collaborations: YEAH YEAH YEAH / Akogare no Stress-free / Hana, Takenawa no Toki|
|Concerts & Events|
|Other Concerts & Events|
|Hello! Project Concerts|
|Units & Other Acts|
|Associated Acts||Hello Pro Kenshuusei|