Keiko Kubota

There's something quietly remarkable about KEIKO's trajectory — she spent years as one-third of Kalafina, a vocal group where Yuki Kajiura's production was so enveloping that audiences sometimes heard the blend before they heard the individual voices, and yet when you listen closely, KEIKO's voice is the one with the most gravity to it, that low, earthy anchor that keeps the whole thing from floating off into pure atmosphere. When Kalafina dissolved in 2018, a lot of fans held their breath. Would she find her footing alone? And then Lantana landed in 2020 on Avex Trax, and the answer was pretty decisively yes — still lush, still serious, but fully hers. She's a singer who doesn't chase trends or clutter her work with noise.

This take was written by generative AI, one per person, from publicly reported facts (editorial policy). It is a reading of the record, not reporting.

Keiko Kubota (stage name KEIKO) is a Japanese singer born on December 5, 1985, in Tokyo, Japan. She is signed with Avex Group and is active in the Japanese music industry. Most personal details, including her agency history, debut date, and physical measurements, have not been made public.

Name (English)

Keiko Kubota

Name (Japanese)

KEIKO

Reading

けいこ

Born

December 5, 1985 (age 40)

Zodiac / Chinese zodiac

Sagittarius / Ox

Origin

Tokyo, Japan

Agency

* スペースクラフト（ - 2018） * トライストーン・エンタテイメント（2020 - ）

Active years

2005 -

Occupation

Singer

Works summary

Appearances

71 (2001–2023)

By year

2001: 1, 2005: 1, 2006: 2, 2007: 2, 2008: 3, 2009: 5, 2010: 1, 2011: 4, 2020: 6, 2021: 7, 2022: 6, 2023: 4

Debut work

Star Light

Filmography / notable works

• Official sitehttps://avex.jp/keiko-singer
• Instagramhttps://www.instagram.com/keco.choco/
• Xhttps://x.com/KeikoStaff
• Wikipedia (Japanese)https://ja.wikipedia.org/wiki/KEIKO%20(1985%E5%B9%B4%E7%94%9F%E3%81%AE%E6%AD%8C%E6%89%8B)
• Wikidatahttps://www.wikidata.org/wiki/Q851542

Tags

• From Tokyo
• Singer

Last updated

2026-08-26

Facts are limited to publicly available information up to 2024; non-public or unconfirmed items are omitted. Works and profile fields sourced from Wikipedia reflect content as of 2026-08-26. English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.