Megumi Nakajima

Nakajima was born in Ibaraki Prefecture on June 5, 1989 to a Filipina mother and a Japanese father. She grew up in a family fond of music; her father had been a drummer in a band. These family influences would later be cited as among the reasons she would decide to pursue a career as a singer.

In 2003, Nakajima participated in an audition held by the talent agency Stardust Promotion. She passed it and subsequently signed with the agency. Despite this, she did not make a music debut, instead training while waiting for her opportunity. As she had yet to make her debut, she was starting to "become desperate" to do anything in entertainment, and she even considered ceasing her pursuit of a singing career. While in her third year of high school, she learned of an audition held by the music company Victor Entertainment. The winner would then be cast in the upcoming anime series Macross Frontier. At the time she had not yet decided what type of artist she wanted to be, but because she believed that it was her chance, she went ahead and auditioned. She ended up being the audition's winner, which would lead to her being cast as the speaking and singing voice of the character Ranka Lee.

Nakajima made her debut performance as a professional artist at the "Macross 25th Anniversary Concert" on April 18, 2007, as she had been cast as the character Ranka Lee. Her first vocal recordings appeared in the compilation album Macross Frontier O.S.T.1 Nyan FRO. on June 4, 2008. She made her music debut on June 25, 2008, with the single "Seikan Hikō" (星間飛行). Her first major live performance was the "Super Dimension Super Live" (超時空スーパーライブ, Chō Jikū Sūpā Raibu) concert held on July 27, 2008. For her performance of "Seikan Hikō", she won the award for Best Musical Performance in the third Seiyu Awards held on March 7, 2009.

In a 2008 interview with Famitsu, Nakajima related the circumstances that led to her being cast as Ranka in the Macross franchise. She noted that she initially had a complex with her voice and felt that it was "lacking in personality", which made her reluctant to talk too much. She felt that because she only knew how to use her natural voice, she wondered how she would be able to make the most out of it. When she was informed of Ranka's character, she felt that she could relate to her as she thought that Ranka's personality overlapped with hers. She remembers that when she was informed of her getting the role, she didn't react as it coming out of nowhere, but rather that "she got through".

Nakajima's first non-Macross single, "Tenshi ni Naritai" (天使になりたい) was released on January 28, 2009; the single peaked at number 13 on Oricon's weekly charts and charted for five weeks. This was followed by the release of her second single "Nostalgia" on March 11, 2009; the title song was used as the theme song to the drama series Daisuki! Itsuitsugo. She then became the vocal provider of the Vocaloid program Megpoid, which went on sale on June 6, 2009. Her next single "Jellyfish no Kokuhaku" (ジェリーフィッシュの告白, Jerīfisshu no Kokuhaku) was released on December 9, 2009; the title song was used as the first ending theme to the anime series Kobato. She released her first album I Love You on June 9, 2010. She then appeared at Anime Expo in Los Angeles in July of that year.

Nakajima's next single "Melody" was released on November 24, 2010; the songs included in the single were used in the original video animation Tamayura. She then performed the song "If", which was used as an insert song in the anime series Moshidora. This was followed by the release of the single "Kamisama no Itazura" (神様のいたずら) on October 26, 2011; the title song is used as the ending theme to the anime series Tamayura: Hitotose. Her next single, "Try Unite!/Hello!" was released on February 2, 2012; "Try Unite" was used as the opening theme to the anime series Lagrange: The Flower of Rin-ne. Her second album Be With You went on sale on March 3, 2012.

Nakajima's first non-Macross role was Miku in the anime series Akikan!. After that, she was cast as the character Citron in the series Basquash!; she along with Haruka Tomatsu and Saori Hayami performed the series' theme songs under the name Eclipse. She then played the role of Kaede Sakura in Kämpfer, and the roles of Chiho and Chise Mihara in Kobato. At the end of 2009, she voiced Ranka in the first movie of the Macross Frontier series, Macross Frontier the Movie: The False Songstress. In 2010, she played Lyra, a celestial spirit that belongs to Lucy Heartfilia, in the Fairy Tail series, and the character Lyra in Pokémon Diamond and Pearl. In February 2011, she voiced Ranka in the second Macross Frontier movie, Macross Frontier the Movie: The Wings of Goodbye. In 2012, she played the role of Meloetta in the anime theatrical short Meloetta's Moonlight Serenade, later reprising the role in the Pokémon: Black & White television series. She then voiced Yuzuki Eba in the original video animation A Town Where You Live, reprising the role the following year for the anime television series. In 2013, she played the role of Yō Kasukabe in Problem Children Are Coming from Another World, Aren't They?.

On August 1, 2012, Nakajima released the single "Marble/Wasurenai yo." (マーブル/忘れないよ。); "Marble" was used as the opening theme to the second season of Lagrange: The Flower of Rin-ne. In 2013, she released two singles: "Sonna Koto Ura no Mata Urabanashi Desho?" (そんなこと裏のまた裏話でしょ?) on January 23, and "Arigatō" (ありがとう) on August 7. "Sonna Koto Ura no Mata Urabanashi Desho?" was used as the opening theme to the anime series Kotoura-san, and "Arigatō" was used as the ending theme to the anime series Tamayura: More Aggressive.

On December 2, 2013, Stardust Promotion announced that Nakajima would go on an indefinite hiatus from her music career after the release of her third album Thank You on February 26, 2014 and a final concert on March 20, 2014, although she would continue to be active in the voice-acting industry. In a 2019 interview, she was asked the reasons for her decision to go on hiatus. She responded that she felt that had few expectations about herself, and she was worried that she had become so associated with the role of Ranka that she would be unable to establish an identity as "Megumi Nakajima". She initially thought that her involvement in the Macross franchise would not last long and that she could move on after Macross Frontier ended, only to learn later that there would be more upcoming releases and activities for the series. Once the films had finished release, she realized that she had already been a voice actor for three years, and yet felt that her roles did not suit her, even feeling that her confidence was low despite being treated kindly by her peers.

On December 1, 2016, Nakajima's management announced that she would return from her hiatus to perform the song "Watashi no Sekai", which is used as the ending theme to the 2017 anime television series Fuuka. Her second post-comeback single "Saturday Night Question" was released on November 6, 2017; the title song is used as the opening theme to the anime series Recovery of an MMO Junkie.

Nakajima released her fourth album Curiosity on February 26, 2018. She then released the single "Bitter Sweet Harmony/Shiranai Kimochi" on August 1, 2018; the song "Bitter Sweet Harmony" was used as the opening theme to the anime series Miss Caretaker of Sunohara-sou. A planned solo concert in Shanghai, China in June 2018 was cancelled due to "various circumstances". In August 2018, she performed at C3 AFA Indonesia in Jakarta, the last to be held in the country prior to the event's discontinuation. The following month, she performed at Cosplay Mania in the Philippines, the first time she held a performance in the country.

To celebrate the 10th anniversary of her career, Nakajima released a cover album titled Lovely Time Travel (ラブリー・タイム・トラベル) on January 28, 2019; the album consists of covers of various love songs from the 1970s to the 1990s. She released a compilation album titled 30 Pieces of Love on her 30th birthday, June 5, 2019; the limited edition includes a Blu-ray disc featuring a video shot in the Philippines, and a cover of the Filipino song "Kailan".