KO1KEYZ is a 12-member global boy group that was born from "PRODUCE 101 JAPAN New World," Japan's largest audition program.

It has been decided that we will make our simultaneous debut in South Korea and Japan on Wednesday, October 7, 2026.

日本デビュー作品となるKO1KEYZ DEBUT SINGLE『タイトル未定』は本日から各オンラインショップ・CDショップにてご予約受付開始となります。

なお、韓国盤のシングル詳細は後日ご案内いたします。

To commemorate the release of their debut single, various campaigns and events will be held!

For more details, please see the NEWS section below.

■DEBUT SINGLEチェーン別先着特典決定！

■DEBUT SINGLE オンラインショップ対象予約キャンペーン開催決定！

■DEBUT SINGLE CDショップ対象予約キャンペーン開催決定！

■DEBUT SINGLE 初回プレス分（初回生産分）封入“応募抽選券（シリアルナンバー）”特典開催決定！

■【KO1KEYZ OFFICIAL STORE】W特典企画の詳細が決定！

[KO1KEYZ DEBUT SINGLE Product Overview]

Release date: Wednesday, October 7, 2026

Title: Undecided

First-run Limited Edition A

CD+DVD 

Price: ¥1,727 (excluding tax) / ¥1,900 (including tax)

Product number: YRCS-90285

POS：457148759 8299

□CD□ 

1. New song ①

2. New song ②

3. Neko (Cat) -KO1KEYZ ver.

4.新世界(SHINSEKAI) -KO1KEYZ ver.- 

□DVD□

Bonus Footage ①

 

<First Press Limited Edition Bonus>

① Entry lottery ticket serial number 1

② One selfie trading card (one randomly selected from 12 types First-run Limited Edition A version)

③ One trading card (one First-run Limited Edition A version)

First-run Limited Edition B

CD+DVD

Price: ¥1,727 (excluding tax) / ¥1,900 (including tax)

Product number: YRCS-90286

POS：457148759 8305

□CD□

1. New song ①

2. New song ③

3.BLACK ANGEL -KO1KEYZ ver.–

4.Shinsekai (SHINSEKAI) –KO1KEYZ ver.–

□DVD□

Bonus Footage ②

<First Press Limited Edition Bonus>

① Entry lottery ticket serial number 1

② One selfie trading card (one randomly selected from 12 types First-run Limited Edition B version)

③ One trading card (one First-run Limited Edition B version)

Normal Edition

CD ONLY

Price: ¥1,273 (excluding tax) / ¥1,400 (including tax)

Product number: YRCS-90287

POS：457148759 8312

□CD□

1. New song ①

2. New song ②

3. New song ③

4.Shinsekai (SHINSEKAI) –KO1KEYZ ver.–

<First Press Limited Edition Bonus>

① One entry lottery ticket (serial number)

② One selfie trading card (one Normal Edition)

③ One original card (one type)

FC limited edition

CD+STICKER

┗STICKER: One sticker handwritten by a member

(FC Limited Edition version: Includes one handwritten sticker featuring the same member as the solo jacket.)

Price: ¥1,545 (excluding tax) / ¥1,700 (including tax)

■ DAIKI Ver. (Product Number: YRCF-90085 / POS: 457148759 8329)

■ ISSA Ver. (Product Number: YRCF-90086 / POS: 457148759 8336)

■ KEITO Ver. (Product Number: YRCF-90087 / POS: 457148759 8343)

■ KOSUKE Ver. (Product Number: YRCF-90088 / POS: 457148759 8350)

■ RYOGA Ver. (Product Number: YRCF-90089 / POS: 457148759 8367)

■ RYUJI Ver. (Product Number: YRCF-90090 / POS: 457148759 8374)

■SHINHAENG Ver.（品番：YRCF-90091 / POS：457148759 8381）

■ SIYOUNG Ver. (Product Number: YRCF-90092 / POS: 457148759 8398)

■ TOWA Ver. (Product Number: YRCF-90093 / POS: 457148759 8404)

■ YOSHIKI Ver. (Product Number: YRCF-90094 / POS: 457148759 8411)

■ YUKI Ver. (Product number: YRCF-90095 / POS: 457148759 8428)

■ YURA Ver. (Product Number: YRCF-90096 / POS: 457148759 8435)

*The FC Limited Edition is an exclusive product available only at KO1KEYZ OFFICIAL STORE.

*This is a strictly limited edition item and will be discontinued once sold out.

□CD□

1. New song ①

2. Neko (Cat) -KO1KEYZ ver.

3.BLACK ANGEL -KO1KEYZ ver.–

4.Shinsekai (SHINSEKAI) –KO1KEYZ ver.–

<First Press Limited Edition Bonus>

① One entry lottery ticket (serial number)

② One trading card (FC Limited Edition version: One trading card of the same member as the solo jacket is included)

③ One selfie trading card (FC Limited Edition version: One selfie trading card of the same member as the solo jacket is included)