Under17 (stylized as UNDER17) was a Japanese musical duo formed in 2001 by

Haruko Momoi is a Japanese singer, songwriter and voice actress. She also produces an all-female pop group called Afilia Saga. She was born in Tokyo, Japan and is affectionately referred to as Halko by her fans, a nickname she gave herself which is inspired ...

and Masaya Koike. The group was known for producing music known colloquially as " songs", providing theme and insert songs to series such as ''

Tenbatsu! Angel Rabbie is an anime Original Video Animation, OVA. In the far away future, the unison of witchcraft and science brought great changes to mankind. On the moon, the elite of magic and science has been gathered and the "Magic Town Sorcerium" built. Day ...

'', ''

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'', and ''

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''.

History

Some of the anime series where Under17 songs have been featured are

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, and

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. This group has released several adult videogames' opening songs. On 27 September 2004, it was announced that Under17 would break up after their national tour, with Momoi and Koike going separate ways due to creative differences. Their final concert was held on 20 November 2004 at the Yokohama Blitz. Momoi officially embarked on a solo career and Koike formed the band MOSAIC.WAV. The band reunited for one song on 31 August 2008 during the

Animelo Summer Live ''Animelo Summer Live'', abbreviated as , is the biggest annual anime songs music festival in Japan hosted by Dwango and Nippon Cultural Broadcasting. Animelo Summer Live has been held every summer since 2005. Description Animelo performers are ...

, performing "Tenbatsu! Angel Rabbie" with the members of MOSAIC.WAV. Momoi and Koike briefly reunited again in March 2020 to perform at the event Susume Moe Denpa Shōnen!! Daifukkatsusai 2020!!: Sugisarishi Moe o Motomete.

Members

* (vocals) * (guitar)

Discography

Compilation albums

Singles

References

{{Authority control Japanese pop music groups Anime musical groups Japanese musical duos Musical groups established in 2001 Musical groups disestablished in 2004