Utoku Keiko

 (宇徳敬子) is a singer-songwriter and former member of Mi-Ke.

She began her career as a multi-talent and model under Stardust Promotion, and began working as a backup vocalist in 1990. She then debuted as a member of Mi-Ke in 1991.

As a backup vocalist, she is credited as Cecile Minami or Secil Minami.

Albums

 * [1994.10.10] Sunadokei (砂時計)
 * [1996.11.11] Koori (氷)
 * [1998.08.26] Mangetsu ~rhythm~ (満月 〜rhythm〜)
 * [2006.11.22] Yorokobi no Hana ga Saku ~True Kiss~ (よろこびの花が咲く 〜True Kiss〜)

Best Albums

 * [2003.12.17] THE BEST "eternity"
 * [2011.12.21] Utoku Keiko COMPLETE BEST ~Single Collection~ (宇徳敬子 COMPLETE BEST 〜Single Collection〜)

Mini Albums

 * [2016.03.09] Shingetsu ~Rainbow~ (新月 〜Rainbow〜)

Self-cover Mini Albums

 * [2018.08.08] Slow Life to Watashi ~Organic Cafe~ (スローライフと私 ～Organic Cafe～)

Singles

 * [1993.08.04] Anata no Yume no Naka Sotto Shinobikomitai (あなたの夢の中 そっと忍び込みたい)
 * [1993.12.08] Mabushii Hito (まぶしい人)
 * [1994.03.16] Aisazu ni wa Irarenai (愛さずにはいられない)
 * [1994.07.30] Dokomademo Zutto (どこまでもずっと)
 * [1995.01.16] Anata wa Watashi no ENERGY (あなたは 私の ENERGY)
 * [1995.06.12] Fushigi na Sekai (不思議な世界)
 * [1996.06.10] Anata ga Sekaiichi (あなたが世界一)
 * [1996.08.05] Message (メッセージ)
 * [1997.05.14] Hikari to Kage no Roman (光と影のロマン)
 * [1997.08.13] Michishio no Mangetsu (満ち潮の満月)
 * [1998.06.17] Kaze no You ni Jiyuu ~free as the wind~ (風のように自由 〜free as the wind〜)
 * [1998.08.26] Don't forget me
 * [1999.05.19] Realize
 * [2000.05.31] Taisetsu ni Omou Etcetera (大切に想うエトセトラ)
 * [2014.01.29] Happy Way / Destiny ~Kiseki no Kagayaki~ (Happy Way / Destiny 〜キセキの輝き〜)