# Keiko Utoku

Keiko Utoku (宇徳敬子, Utoku Keiko, born April 7, 1967 in Izumi, Kagoshima, Japan) is a Japanese singer and songwriter under UK Sweet label.

## Biography

Keiko made her debut with a chorus part in the band B.B.Queens then joined with J-pop female band Mi-Ke from 1991 to 1993, before starting a solo career. As a child, Utoku listened to a lot of music, including music made by Momoe Yamaguchi. She has written and sung many songs, such as "Wasurenagusa", and Sonic the Hedgehog fans remember her for her vocal work in the original version of the Sonic CD video game's opening and closing themes in Japan and Europe, "Sonic – You Can Do Anything" and "Cosmic Eternity – Believe In Yourself" in 1993. Her song "Mabushii Hito" was used by JR Central for TOKYO PLUS ONE campaign between 1993 and 1994.
At recent dates, she has released 15 singles, 5 digital singles, 4 studio albums, 1 mini and 2 best albums.

## Discography
### Albums
#### Studio albums

List of albums, with selected chart positions :
| Title | Album details | Peak positions | Sales (JPN) | Certifications |
| Title | Album details | JPN Oricon | Sales (JPN) | Certifications |
| Suna Dokei (砂時計) | Released: October 10, 1994 Label: Zain Format(s): CD, digital download | 1 | 406,000 | RIAJ: Platinum |
| Koori (氷) | Released: November 11, 1996 Label: Zain Format(s): CD, digital download | 2 | 197,000 | RIAJ: Gold |
| Mengetsu ~Rhythm~ (満月 ～rhythm～) | Released: August 26, 1998 Label: Zain Format(s): CD, digital download | 8 | 83,000 | |
| Yorokobi no Hana ga Saku ~True Kiss~ (よろこびの花が咲く ～True Love～) | Released: November 22, 2006 Label: Zain Format(s): CD, digital download | 72 | 4,000 | |

#### Compilation albums

List of albums, with selected chart positions :
| Title | Album details | Peak positions | Sales (JPN) | Certifications |
| Title | Album details | JPN Oricon | Sales (JPN) | Certifications |
| The Best "Eternity" | Released: December 17, 2003 Label: Zain Format(s): CD, digital download | 63 | 9,000 | |
| Keiko Utoku Complete Best ~Single Collection~ | Released: December 21, 2011 Label: Zain Format(s): CD, digital download | 106 | | |
| Slow Life to Watashi ~Organic Cafe~ (スローライフと私 ～Organic Cafe～) | Released: August 8, 2018 Label: UK Sweet Format(s): CD, digital download | 80 | | |
| Slow Life wo Anata to ~Alone Together~ (スローライフをあなたと〜Alone Together〜) | Released: August 8, 2024 Label: UK Sweet Format(s): CD | - | | |

#### Remix albums

List of albums, with selected chart positions :
| Title | Album details |
| Cool City Production Vol. 7 UK Sweet ~Utoku Keiko~ | Released: July 7, 2004 Label: Tent House Format(s): CD |

### Extended plays

List of albums, with selected chart positions :
| Title | Album details | Peak positions | Sales (JPN) | Certifications |
| Title | Album details | JPN Oricon | Sales (JPN) | Certifications |
| Shingetsu ~Rainbow~ (新月 ～Rainbow～) | Released: March 9, 2016 Label: UK Sweet Format(s): CD, digital download | 74 | | |

### Singles
#### As lead artist

List of singles, with selected chart positions :
| Title | Year | Peak chart positions | Sales | Certifications | Album |
| Title | Year | JPN Oricon | Sales | Certifications | Album |
| "Good-by Morning" (with Fusanosuke Kondo) | 1992 | 19 | 289,000 | RIAJ: Gold | Woman Dream Original Soundtrack |
| "Anata no Yume no Naka Sotto Shinobikomitai" (あなたの夢の中 そっと忍び込みたい) | 1993 | 17 | 135,000 | | Suna Dokei |
| "Mabushii Hito" (まぶしい人) | 1993 | 14 | 209,000 | | Suna Dokei |
| "Aisazu ni wa Irarenai" (愛さずにはいられない) | 1994 | 10 | 147,000 | | Suna Dokei |
| "Dokomade mo Zutto" (どこまでもずっと) | 1994 | 25 | 98,000 | | Suna Dokei |
| "Anata wa Watashi no Energy" (あなたは 私の ENERGY) | 1995 | 10 | 80,000 | | Koori |
| "Fushigi na Sekai" (不思議な世界) | 1995 | 13 | 91,000 | | Koori |
| "Anata ga Sekai Ichi" (あなたが世界) | 1996 | 20 | 48,000 | | Koori |
| "Message" (メッセージ) | 1996 | 32 | 25,000 | | Koori |
| "Hikari to Kage no Roman" (光と影のロマン) | 1997 | 20 | 54,000 | | Mengetsu ~Rhythm~ |
| "Michi Shio no Mangetsu" (満ち潮の満月) | 1997 | 49 | 11,000 | | Mengetsu ~Rhythm~ |
| "Kaze no You ni Jiyuu ~Free as the Wind~" (風のように自由 ～free as the wind～) | 1998 | 33 | 12,000 | | Mengetsu ~Rhythm~ |
| "Don't Forget Me" | 1998 | 90 | 2,000 | | Mengetsu ~Rhythm~ |
| "Realize" | 1999 | 56 | 5,000 | | Yorokobi no Hana ga Saku ~True Kiss~ |
| "Taisetsu ni Omou et Cetera" (大切に想うエトセトラ) | 2000 | 44 | 7,000 | | Yorokobi no Hana ga Saku ~True Kiss~ |
| "Happy Way" | 2014 | 125 | | | Non-album singles |
| "Destiny ~Kiseki no Kagayaki~" (Destiny ～キセキの輝き～) | 2014 | 125 | | | Non-album singles |