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Aki Okui’s Most Popular Songs Ranking [2026]
Debuted in 1993 with “Gin no Spoon de.”
Aki Okui has performed various anime songs, including her signature track “Wind Climbing ~Kaze ni Asobarete~,” which was used as the ending theme for the anime Magical Circle Guru-Guru.
In this article, we’ll introduce Aki Okui’s most popular songs in ranking format.
A must-listen for anime fans!
You might find yourself saying, “She sang this song?”—she may have performed a theme from an anime you know.
Be sure to listen to her charming and beautiful voice.
Aki Okui’s Most Popular Songs Ranking [2026]
Clear skies, hallelujahOkui Aki1rank/position
Released in 1995 as the opening theme for the anime Magical Circle Guru-Guru, Aki Okui’s “Harete Hareluya” is truly a page of youth for those in their thirties.
Written and composed by Okui herself, the song’s lyrics brim with love and hope and resonate deeply.
Thinking back to those days, I remember dashing to the TV the moment I got home from school.
This track, which gave us the energy to live, feels fresh in any era, its exhilarating melody shining across time.
Its enduring appeal across generations may well lie in that uniquely positive spirit.
Wind Climbing ~Played by the Wind~Okui Aki2rank/position
The popular manga Magical Circle Guru-Guru, serialized in Monthly Shonen Gangan, was adapted into an anime in 1994 and later became a major hit with a film version as well.
The ending theme for the TV anime was Aki Okui’s “Wind Climbing ~Kaze ni Asobarete~.” She later handled the ending theme as well, and has gone on to produce many other anime theme songs.
Fanfare of the HeartOkui Aki3rank/position
“Fanfare of the Heart” was used as the opening song for the anime Pokémon: Best Wishes, which began in 2010.
It’s sung by singer-songwriter Aki Okui.
Although the single was released jointly with voice actress Rica Matsumoto, for Aki Okui it marked her first single in 7 years and 7 months—truly a long-awaited release for fans.
The song features a refreshing, moving melody that evokes a sense of adventure.
Be sure to check it out!
Cocoon of the MoonOkui Aki4rank/position
This song, popular among fans and used as the ending theme for the TV anime Turn A Gundam, is Tsuki no Mayu sung by Aki Okui.
It makes you feel as if you’re floating alone in space.
Rich in a sense of floating and mystery, it perfectly matches the anime’s worldview.
Okui’s expansive, prayer-like vocals also add color to the track.
BOYS BE BRAVE ~Boys, Have Courage~Okui Aki5rank/position
It’s a motivational message song for a boy, encouraging him to move forward powerfully toward tomorrow.
The track was released in 1996 as the eighth single by singer-songwriter Aki Okui.
It was used as the eighth ending theme.
calendrierOkui Aki6rank/position
This piece was used as the ending theme for the TV anime Dusk Maiden of Amnesia and was released as a single in 2012.
Aki Okui’s delicate vocals convey both the yearning and the anguish for someone you can’t touch but love from the bottom of your heart.
The lyrics explore the depth of love and bonds, etching unforgettable emotion into the listener’s heart after just one listen.
This bittersweet yet beautiful song is especially recommended for quiet nights alone, when you find yourself reminiscing about the past or wanting to touch the feelings hidden in your heart.
Love letterOkui Aki7rank/position
“Love Letter” wasn’t released as a single; it’s an album track included on Aki Okui’s ninth album, Cyclong.
It’s a wonderful song, with Aki Okui’s beautiful vocals and a melody that conveys a sense of happiness, making it extremely pleasant to listen to.
asparagusOkui Aki8rank/position
A unique song titled after a vegetable.
It’s a track from Aki Okui’s Otoumi Swim, where her falsetto especially stands out.
Released in April 2008, the album also includes fan favorites often performed live, such as “HAPPY CARD” and “Haru no Kuchibiru.” It was chosen as the ending theme for TV Asahi’s “Gyotech,” with a promotional video aired during the program.
The lively rhythm and catchy pop melody leave a strong impression, and the lyrics brim with Aki’s characteristic humor.
Recommended for those who value small discoveries and insights in everyday life.
It might be the perfect song for a mood boost or as a companion to household chores.