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Memory Seishun no Hikari (Memory 青春の光; Memory The Light of Youth) is Morning Musume's fourth single. It was released on February 10, 1999 as an 8cm CD. First press of the single came with a different cover (the members wearing gray coats in front of the skyscrapers in Shanghai[1]). It was used as the ending theme to Idol wo Sagase!

This is the last single to feature first generation member Fukuda Asuka. It sold a total of 410,850 copies, peaking at #2 on the Oricon weekly charts, and also ranking as the #51 single for 1999.

In 2004, it was re-released as part of the Morning Musume Early Single Box, a limited edition box set containing their first eight singles reissued on 12cm CDs. In 2005, the singles were released individually, and first press editions came with a photo card.



Morning Musume - Memory Seishun no Hikari (MV)

Original Edition[]

  1. Memory Seishun no Hikari
  2. Happy Night
  3. Never Forget - Fukuda Asuka
  4. Memory Seishun no Hikari (Instrumental)

Re-release Edition[]

  1. Memory Seishun no Hikari
  2. Happy Night
  3. Never Forget - Fukuda Asuka
  4. Memory Seishun no Hikari (Instrumental)
  5. Memory Seishun no Hikari (99.4.18 Live Version)

Featured Members[]

Single Information[]

Lyrics and Compositions: Tsunku

Memory Seishun no Hikari
Happy Night
Never Forget


TV Performances[]

  • [1999.02.07] ASAYAN
  • [1999.02.12] Music Station
  • [1999.02.16] Utaban
  • [1999.02.26] Music Station
  • [1999.03.23] Utaban
  • [1999.04.02] Music Station
  • [1999.04.18] ASAYAN
  • [2006.08.04] Hello Pro Hour #16 (Memory Seishun no Hikari) - Matsuura Aya, Goto Maki

Concert Performances[]

Memory Seishun no Hikari
Happy Night
Never Forget

Event Performances[]

Memory Seishun no Hikari
Never Forget

Oricon Chart Positions[]

Mon Tue Wed Thu Fri Sat Sun Week Rank Sales
- - - - - - - 2 195,720
- - - - - - - 8 78,870
- - - - - - - 13 56,080
- - - - - - - 20 28,210
- - - - - - - 26 15,570
- - - - - - - 36 8,430
- - - - - - - 38 9,430
- - - - - - - 37 8,320
- - - - - - - 32 9,670
- - - - - - - 47 3,790
- - - - - - - 54 3,270
- - - - - - - 74 3,160

Total Reported Sales: 410,850

Cover Versions[]


  • An application form for the 1st Heike Michiyo & Morning Musume Protegee Audition was also included in this single.
  • The male chorus vocals for the song is done by 7HOUSE, another music project by Tsunku. Iida Kaori would marry the band's vocalist ten years later, in 2008.
  • The PV premiered on ASAYAN on January 31, 1999.
  • Yasuda Kei commented on the single for a YouTube video series counting up to Morning Musume's 50th single.[2]
  • "Never Forget" is a solo song by Fukuda Asuka for her graduation.
  • Prior to this single's release, on January 17, 1999, Fukuda shocked fans and viewers of the television show ASAYAN with her decision to graduate from Morning Musume to continue her studies. Her last appearance with Morning Musume was at her farewell concert in April. The last song she performed was "Never Forget". She was the only one not crying during her graduation concert, and later stated that she thought they were all fake crying and the only one being honest was Nakazawa Yuko. She also said in later interviews that she was treated poorly by management and fellow band mates, being their scape goat, which was the real reason for her leaving the group.
  • The 5th track on the re-release is a live version, recorded at Fukuda's graduation concert held at Tokyo Kosei Nenkin Kaikan Hall on April 18, 1999. The song starts off with an extended and emotional intro, which symbolizes Asuka's final live. Abe and Fukuda are main vocalists, and the members create complex mixture of groove. The sound from the same concert DVD/video was used as a main source. The mixing was later applied before the release of this version.[3]
  • The Center for this single is Abe Natsumi.


Tsunku commented on the single:

During the year of 1998, the girls of Morning Musume had a very busy year. They had done a variety of things, so much so that it was hard to believe for me to think their next single was only the 4 one. I think everyday event had made them grow stronger, more beautifully matured, sharper and cooler. I’m sure they were strongly encouraged by the support from the fans. The 4 single has incorporated the mixture of the latest digital sound equipment as well as the best musicians’ live session. Combined with beautiful harmony created by the 8 girls, I think we’ve created the most powerful sound in the world. I am very proud of this work.

P.S. I am very happy by the girls’ improved skills and how much soul they are able to put into a song nowadays!—

;2000 Interview with Tsunku Regarding Fukuda's Departure

Tsunku: When Fukuda told me she wanted to quit, I thought it was a very gutsy move. "Daite HOLD ON ME!" landed first place, and Tanpopo was on second place, so to general public, everything was going smoothly. So I couldn’t believe why she wanted to quit right in the middle of a great phase. I actually thought her decision was immature too.

Interviewer: Even though it was her own intention, I’m sure you tried to convince her to stay.

Tsunku: Yes, we all sat down with her and had a talk, partly because she was way too calm about the situation. I felt strange to convince her to stay but knew it was necessary. Regrets like “I should’ve left that time” and “I should’ve told her to stay” might’ve come up later on, so I wanted to talk till both parties came to the mutual understanding.

Interviewer: This might sounds strange, but did you think it would ruin the unit’s image? I apologize if I sound too vulgar, but the unit is ultimately, your creation, your product. She was one of the main girls, and you were going to lose her.

Tsunku: I thought about it too. But my first thought was, it’s unhealthy to let her stay in the same unit and make her feel trapped and miserable.


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