Koikaze (song)

"Koikaze"
Single by Lilas Ikuta
from the album Laugh
LanguageJapanese
ReleasedApril 7, 2025
GenreJ-pop
Length3:02
Label
SongwriterLilas Ikuta
ProducerCarlos K.
Lilas Ikuta singles chronology
"Dreamer"
(2025) 		"Koikaze"
(2025) 		"Actor"
(2025)
Music video
"Koikaze" on YouTube

"Koikaze" (Japanese: 恋風; lit. 'Love wind') is a song by Japanese singer-songwriter Lilas Ikuta from her second studio album Laugh (2025). It was released as a single on April 7, 2025, through Echoes and Sony Music Entertainment Japan. "Koikaze" served as the theme song for Abema's dating reality show Kyō, Suki ni Narimashita: New Zealand Edition, the third song recorded for the show.

Commercially, "Koikaze" reached number 19 on the Billboard Japan Hot 100 and number 21 on the Oricon Combined Singles Chart, and received streaming gold certification by the Recording Industry Association of Japan (RIAJ). The song won the Excellent Work Award and was nominated for the Grand Prix at the 67th Japan Record Awards. Its accompanying music video, directed by Tsukumi Matsunaga and starring actress Kiara Nakanishi, premiered on June 9.

Background and release

In 2021, Lilas Ikuta's "Romance no Yakusoku" featured as a theme for the Sunflower edition of Abema's dating reality show Kyō, Suki ni Narimashita.[1] The next year, she performed the original song "Sparkle" for the show's Mikan and Graduation 2022 editions.[2] About three years later, on March 25, 2025, Abema announced that Ikuta's song "Koikaze" would serve as a theme for the New Zealand edition of Kyō, Suki ni Narimashita, as well as The First Take's live version of "Sparkle" as an insert song.[3] It was available to digital music and streaming platforms on April 7, alongside "Sparkle" (from The First Take), in conjunction with the first episode of the show premiere.[4] The song was later included on the singer's second studio album Laugh.[5]

Composition

"Koikaze" evokes the arrival of spring and expresses the protagonist's tender emotions from falling in love and caring for someone who loves,[6] comparing it to a gentle breeze.[7] The song talks about confusion and conflict that come when a new relationship begins,[8] before ultimately deciding to be honest about the protagonist's feelings.[9]

Music video

A special music video for "Koikaze" was uploaded on May 19, 2025, featuring footage from Kyō, Suki ni Narimashita: New Zealand Edition, which aired in April.[10] Afterwards, the official music video premiered later on June 9. Directed by Tsukumi Matsunaga and starring actress Kiara Nakanishi, the dreamy visuals capture an emotional transformation of the protagonist as she falls in love.[11]

Live performances

Ikuta debuted the live performance of "Koikaze" at FNS Music Festival Summer on July 2, 2025.[12] She later performed the song at Best Hits Kayosai on November 13,[13] and CDTV Live! Live! Christmas Love Song Fes. on December 15.[14] The singer is scheduled to perform the song at With Music on December 20,[15] Music Station Super Live 2025 on December 26,[16] the 67th Japan Record Awards on December 30,[17] and the 76th NHK Kōhaku Uta Gassen on December 31.[18]

Accolades

Awards and nominations for "Koikaze"
Ceremony Year Award Result Ref.
Japan Record Awards 2025 Grand Prix Pending [19]
Excellent Work Award Won

Charts

Certifications

Certifications for "Koikaze"
Region Certification Certified units/sales
Streaming
Japan (RIAJ)[23] Gold 50,000,000†

† Streaming-only figures based on certification alone.

Release history

Release dates and formats for "Koikaze"
Region Date Format Label Ref.
Various April 7, 2025
[24]

References

  1. ^ "幾田りら、ABEMA『今日、好きになりました。向日葵編』主題歌「ロマンスの約束」のスペシャル映像公開". Spice (in Japanese). September 8, 2021. Retrieved December 12, 2025.
  2. ^ "幾田りら <今日、好き。蜜柑編&卒業編2022> 主題歌「スパークル」MVをプレミア公開". The TV (in Japanese). September 30, 2022. Retrieved December 12, 2025.
  3. ^ "4月7日(月)夜9時スタート『今日、好きになりました。』新シリーズ『今日、好きになりました。ニュージーランド編』にて幾田りらが3年ぶりに『今日好き』の主題歌を担当! 書き下ろし楽曲「恋風」が主題歌に決定". Entame Rush (in Japanese). March 25, 2025. Retrieved December 12, 2025.
  4. ^ "幾田りら、「恋風」「スパークル - From THE FIRST TAKE」同時配信リリース決定". Cinema Life (in Japanese). March 31, 2025. Retrieved December 12, 2025.
  5. ^ "幾田りら ニューアルバム『Laugh』の収録内容公開! CD初回盤にはコラボ曲&カバー曲のアーカイブも収録". The First Times (in Japanese). December 6, 2025. Retrieved December 12, 2025.
  6. ^ "幾田りら、ABEMA『今日、好き』主題歌「恋風」&挿入歌を同時配信リリース". CDJournal (in Japanese). April 7, 2025. Retrieved December 12, 2025.
  7. ^ "幾田りら『恋風』 / 歌声そのものがときめきを運んでくる". Rockin'On Japan (in Japanese). May 9, 2025. Retrieved December 12, 2025.
  8. ^ "幾田りら 「恋風」と「スパークル - From THE FIRST TAKE」を3月7日同時配信リリース!". B-Pass (in Japanese). April 7, 2025. Retrieved December 12, 2025.
  9. ^ "幾田りら「恋風」歌詞の意味を考察! ABEMAドラマ「今日、好きになりました。ニュージーランド編」の主題歌を徹底解説". UtaTen (in Japanese). May 7, 2025. Retrieved December 12, 2025.
  10. ^ "幾田りら、ABEMA『今日、好きになりました。』主題歌「恋風」のスペシャル映像公開!". Galpo! (in Japanese). May 20, 2025. Retrieved December 12, 2025.
  11. ^ "幾田りら、ABEMA"今日、好きになりました。"主題歌「恋風」MV本日6/9 22時プレミア公開。自身初のドラマ仕立てMV、13歳の女優 中西希亜良が出演". Skream!. June 9, 2025. Retrieved December 12, 2025.
  12. ^ "『2025 FNS歌謡祭 夏』タイムテープル、出演者・歌唱曲発表(東方神起、ルセラらK-POPからも多数出演)". Navicon (in Japanese). July 2, 2025. Retrieved December 12, 2025.
  13. ^ "「ベストヒット歌謡祭 2025」タイムテーブルを発表". MusicVoice (in Japanese). November 13, 2025. Retrieved December 12, 2025.
  14. ^ "本日放送『CDTVライブ!ライブ!』3時間半SP。タイムテーブル＆出演者&歌唱曲". Cinra (in Japanese). December 15, 2025. Retrieved December 15, 2025.
  15. ^ "Ado、アイドルをプロデュースしようと決意した理由を告白 幾田りらのヒット曲制作過程に迫る". Oricon (in Japanese). December 13, 2025. Retrieved December 19, 2025.
  16. ^ "『Mステ SUPER LIVE 2025』出演アーティスト全65組の楽曲解禁 STARTOアーティスト6組のデュエット企画も". The TV (in Japanese). December 19, 2025. Retrieved December 19, 2025.
  17. ^ "「レコ大」にミセス、ふるっぱー、ビーファ、幾田りら、HANA、ボネクドら出演 AKB48には前田敦子らOGメンバー参加". Natalie (in Japanese). December 10, 2025. Retrieved December 19, 2025.
  18. ^ "【紅白】曲目を発表　AKB48、Perfumeはメドレー キンプリはミッキーとコラボ". Nikkan Sports (in Japanese). December 19, 2025. Retrieved December 19, 2025.
  19. ^ "レコ大•最優秀新人賞争いは昨年以上にし烈...HANA、CUTIE STREETら4組が候補【受賞者一覧】". Encount (in Japanese). November 21, 2025. Retrieved December 12, 2025.
  20. ^ "Billboard Japan Hot 100 – Week of August 20, 2025". Billboard Japan (in Japanese). Retrieved December 12, 2025.
  21. ^ "Oricon Top 50 Combined Singles: 2025-08-25" (in Japanese). Oricon. Archived from the original on August 21, 2025. Retrieved December 12, 2025.
  22. ^ "Billboard Japan Hot 100 – 2025 Year-End". Billboard Japan (in Japanese). Retrieved December 12, 2025.
  23. ^ "Japanese single streaming certifications – 幾田 りら – 恋風" (in Japanese). Recording Industry Association of Japan. Retrieved December 12, 2025. Select 2025年8月 on the drop-down menu
  24. ^ "ABEMAオリジナル恋愛リアリティーショー『今日、好きになりました。ニュージーランド編』主題歌「恋風」と、挿入歌「スパークル-From THE FIRST TAKE」を本日同時配信リリース!". Lilas Ikuta Official Website (in Japanese). April 7, 2025. Retrieved December 12, 2025.
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