Adrena

"Adrena"
Single by Yoasobi
Language
  • Japanese
  • English
A-side"Baby"
ReleasedJanuary 4, 2026
GenrePop
Length3:05
Label
SongwriterAyase
ProducerAyase
Yoasobi singles chronology
"Gekijō"
(2025)
"Adrena"
(2026)
"Baby"
(2026)
Music video
"Adrena" on YouTube

"Adrena" (Japanese: アドレナ, Hepburn: Adorena) is a song by Japanese duo Yoasobi. It was released as a single on January 4, 2026, through Echoes and Sony Music Entertainment Japan. The song serves as the opening theme for the 2026 anime series Hana-Kimi, and was based on Fuyu Tsuyama's short story Magical.

Background and release

Aniplex first announced an anime adaptation of the manga series Hana-Kimi in May 2024.[1] On September 14, 2025, at Aniplex Online Fest 2025, it was announced that Yoasobi would perform opening and ending themes for the anime series, set to premiere in January 2026.[2][3] On November 8, the songs, alongside their titles—opening theme "Adrena" and ending theme "Baby"—and snippets, were revealed through the anime's promotional video.[4]

On January 1, 2026, Yoasobi announced the release of "Adrena" for the next three days, the same day as the anime's premiere, via digital music and streaming platforms.[5] Its cover artwork, illustrated by Naji Yanagida, features the anime protagonist Mizuki Ashiya.[6] The limited double A-side CD single, alongside "Baby", was released on March 4.[7]

Composition and lyrics

Fuyu Tsuyama wrote the short story Magical specifically for "Adrena". Published on the Hana-Kimi anime's website on January 3, 2026, it depicts a prequel to Mizuki's feelings for her love interest, Izumi Sano, and her experiences at school since then.[8] Lyrically, the song expresses the protagonist's exhilaration and confusion and "straightforward yet awkward" and unrelenting love, as she pursues her dream boy, driven by "up-tempo pop track with comical sound and dizzying electronic developments".[9][10]

Music video

An accompanying music video for "Adrena" premiered on January 6, 2026. Directed by Tsuribu Tokyo, who previously handled Yoasobi's "Players" music video, the comical 3D-animated visual features characters from Hana-Kimi, including protagonist Mizuki, who runs, flies, and passes each other amid a chaotic atmosphere.[11]

Live performances

Yoasobi performed "Adrena" for the first time at Pentatonic music festival on January 24, 2026, at Yokohama Buntai.[12]

Track listing

  • Digital download and streaming
  1. "Adrena" (アドレナ) – 3:05
  • CD single
  1. "Adrena" – 3:07
  2. "Baby" – 3:52
  3. "Adrena" (English version) – 3:07
  4. "Baby" (English version) – 3:52
  5. "Adrena" (anime edit) – 1:30
  6. "Baby" (anime edit) – 1:28
  7. "Adrena" (instrumental) – 3:07
  8. "Baby" (instrumental) – 3:52

Credits and personnel

  • Ayase – songwriting, arrangement, instruments
  • Ikura – vocals
  • Konnie Aoki – English version lyrics, English version lyrical and vocal recording direction
  • BFNK – English version lyrical and vocal recording direction
  • Fuyu Tsuyama – based story writer
  • Masahiro Tamoto – vocal recording
  • Manami Sugishita – vocal recording
  • Kunio Nishikawara – vocal recording (English version)
  • Masahiko Fukui – mixing
  • Hidekazu Sakai – mastering

Charts

Chart performance for "Adrena"
Chart (2026) Peak
position
Japan (Oricon)[13]
with "Baby"
19
Japan Combined Singles (Oricon)[14] 42
Japan Anime Singles (Oricon)[15]
(with "Baby")
9
Japan Hot 100 (Billboard)[16] 24
Japan Hot Animation (Billboard Japan)[17] 9

Release history

Release dates and formats for "Adrena"
Region Date Format Version Label Ref.
Various January 4, 2026 Original [18]
Japan March 4, 2026 CD Limited (with "Baby") [19]

References

  1. ^ Pineda, Rafael Antonio (September 25, 2025). "Hisaya Nakajo's Hana-Kimi Shōjo Manga Gets Anime". Anime News Network. Retrieved January 4, 2026.
  2. ^ "YOASOBI、テレビアニメ『花ざかりの君たちへ』のOPとEDテーマ両方担当!「この作品に花を添えられるよう...」". Mapion (in Japanese). September 14, 2025. Retrieved January 4, 2026.
  3. ^ "YOASOBI、TVアニメ『花ざかりの君たちへ』OP&ED主題歌を担当". Cinema Life (in Japanese). September 13, 2025. Retrieved January 4, 2026.
  4. ^ "アニメ『花ざかりの君たちへ』神楽坂真言役は日野聡さんに決定! YOASOBIによるOPテーマ『アドレナ』とEDテーマ『BABY』の2曲を使用したPVが解禁". Pash! Plus (in Japanese). November 8, 2025. Retrieved January 4, 2026.
  5. ^ "全ての「イケメンパラダイス」はここから始まった! 「花君」のまっすぐで不器用な恋心を描いたOP曲 YOASOBI 「アドレナ」配信決定!". Anime! Anime! (in Japanese). January 1, 2026. Retrieved January 4, 2026.
  6. ^ "YOASOBI、アニメ『花ざかりの君たちへ』主題歌「アドレナ」を配信リリース+アジア10大ドーム&スタジアムツアー国内スケジュール発表". Barks (in Japanese). January 1, 2026. Retrieved January 4, 2026.
  7. ^ "YOASOBI、TVアニメ"花ざかりの君たちへ"OP&EDテーマ『アドレナ / BABY』3/4 CDリリース決定。主人公 瑞稀の描き下ろしイラストが飾る特別アートボード仕様". Skream!. February 1, 2026. Retrieved February 1, 2026.
  8. ^ "YOASOBI、新曲「アドレナ」の原作小説『Magical』公開 楽曲配信リリースも". CDJournal (in Japanese). January 3, 2025. Retrieved January 4, 2025.
  9. ^ "YOASOBI、アニメ「花君」の主題歌「アドレナ」配信決定 アジアツアー日本5公演の日程発表". Natalie (in Japanese). January 1, 2025. Retrieved January 4, 2025.
  10. ^ Mori, Tomoyuki; Ishii, Eriko (January 9, 2026). "YOASOBI、乃木坂46、星街すいせい、Base Ball Bear、tuki.、離婚伝説......注目新譜6作をレビュー". Real Sound (in Japanese). Retrieved January 10, 2026.
  11. ^ "YOASOBI、 TVアニメ『花ざかりの君たちへ』のオープニングテーマ「アドレナ」MVを本日20時に公開". Pia (in Japanese). January 6, 2026. Retrieved January 6, 2026.
  12. ^ "【ライブレポート】syudou主催『PENTATONIC』DAY1 : YOASOBI、すりぃらが集結。ボカロシーン発の盟友と刻んだ"現在地"". The First Times (in Japanese). January 30, 2026. Retrieved January 30, 2026.
  13. ^ "Song on Oricon News". Oricon News. Retrieved March 11, 2026.
  14. ^ "Oricon Top 50 Combined Singles: 2026-01-19" (in Japanese). Oricon. Archived from the original on February 28, 2026. Retrieved March 18, 2026.
  15. ^ "Oricon Top 20 Anime Singles: 2026-03-16" (in Japanese). Oricon. Archived from the original on March 18, 2026. Retrieved March 18, 2026.
  16. ^ "Billboard Japan Hot 100 – Week of January 14, 2026". Billboard Japan (in Japanese). Retrieved January 14, 2026.
  17. ^ "Billboard Japan Hot Animation – Week of January 14, 2026". Billboard Japan (in Japanese). Retrieved January 14, 2026.
  18. ^ "TVアニメ「花ざかりの君たちへ」主題歌となる新曲「アドレナ」を、アニメ初回放送日1/4(日)に配信リリース決定&ジャケット写真公開!". Yoasobi Official Website (in Japanese). January 4, 2026. Retrieved January 2, 2026.
  19. ^ "TVアニメ『花ざかりの君たちへ』オープニング&エンディングテーマ『アドレナ / BABY』完全生産限定盤CDが本日発売!". Yoasobi Official Website (in Japanese). March 4, 2026. Retrieved March 4, 2026.