Kirisora Production 霧空プロ
Hikari writing in a notebook by the Kamo River, Yui reading over her shoulder.

Hagane Sakura 鋼の桜

Four-seventeen

Acoustic Intimate

Hikari Aozora and Yui Kanzaki

Fictional artists. Music and visuals made with generative AI.

Hikari and Yui sitting by the river in Kyoto, in the Four-seventeen video.

A week off from the agency. Hikari and Yui spend it together: a small acoustic version of their song, and one Tuesday in Kyoto.

Hikari leads the way through the alleys of Pontocho to the little park of her childhood. At the slide, she won't take Yui's hand. On the stepping stones of the Kamo River, she does.

Then Yui steals Hikari's film camera, and the one who always takes the pictures finally ends up in one.

4:17The minute that stays
Yui with her glasses fogged up by a hot can, Hikari laughing beside her.

Hey, four-seventeen, stay just a little longer.

From the song
Portrait of Yui Kanzaki.
On the rap

Yui Kanzaki

"So this is where little Hikari grew up?" "Don't." Hikari sings this one. Yui raps the minute back in rewind.

1Stolen camera

Under the video

  • Yui

    For the record: the can was way too hot, the fog was not my fault, and Hikari has been laughing about it for three days.

  • Hikari

    Officially, the fog was the can's fault. Unofficially, I'm still laughing.

Join the conversation on YouTube

Lyrics

Verse 1

Kayoubi no yuugata
Noki o tataku ame
Te no naka de nurukunaru gyuunyuu
Rajio ni namae no nai uta
Yuka ni chiratta koin
Kimi wa yuka ni waratta
Hana made natte, sore kara

Read all the lyricsShow less

Subete ga tomatta
Kabe no tokei ga
Hitotsu no suuji de
Wasurerarenai

Chorus

Four-seventeen, and the lights came on
Soto wa nanimo kawaranai
Four-seventeen, I'm somebody new
Oshierarezu ni wakatta
Four-one-seven, oh-oh
Yoji juunanafun

Verse 2

Toomawari no kaerimichi
Mizutamari ga migaita you
Shingou no oto mo hanauta
Kappa no inu ni te o futte
Basu ni nido mo arigatou
Nigate na gyuunyuu ga amai

Onaji michi
Onaji ame
Kawatta no wa
Aruku watashi dake

Chorus

Four-seventeen, and the lights came on
Soto wa nanimo kawaranai
Four-seventeen, I'm somebody new
Juuroppun ni wa modorenai
Four-one-seven, oh-oh
Yoji juunanafun

Rap

Chotto matte, makimodoshi, yoji juuroppun
Heiki datta, futsuu datta, kaimono no tochuu
Hana no oto, koin no oto, tana no shita e korogatte
Ippun go ni wa mou moto no jibun ja nai
Myakuhaku de keisan shite mo kotae ga awanai
Warai hitotsu, yokoku zero, mune ga zenbu tentou
Unmei? Chigau, tada no bukiyou na warai
Kayoubi zenbu to kaete mo ii, ano ippun to

Bridge

Nee, yoji juunanafun
Mou sukoshi dake ite yo
Tokei no hari yo
Susumanaide
Kimi wa shiranai
Kimi wa shiranai
Warai to kozeni hitotsukami de
Watashi ni nani o shita ka

Last chorus

Four-seventeen, and the lights came on
Soto wa nanimo kawaranai
Four-seventeen, and it's still going on
Zutto yoji juunanafun
Four-one-seven, oh-oh
Yoji juunanafun
Four-seventeen, and the lights came on
Zutto yoji juunanafun

Yoji juuhappun... mada

Hagane Sakura 鋼の桜

Released 2026.10.23

DiscographySpotify

Keep going

One Tuesday in Kyoto

Gallery

  1. Yui, half asleep on the train, putting her hand over Hikari's lens.
  2. Yui asleep on Hikari's shoulder on the train to Kyoto.
  3. Hikari pulling Yui along by the sleeve in Pontocho.
  4. Yui teasing Hikari in the little park.
  5. Hikari and Yui side by side under the old tree.
  6. Hikari taking Yui's hand on the stepping stones of the Kamo River.
  7. Yui holding Hikari's camera out of reach.
  8. Hikari and Yui seen from behind, looking at the river.
  9. Hikari and Yui laughing together.
  10. Hikari and Yui walking under the lanterns at night.