KO1KEYZ close Korean debut after Japan half-million sales
The 12-member group topped the Billboard Japan Hot 100 and Oricon weekly charts, and sold out both nights of its Seoul fan meeting.
KO1KEYZ have wrapped up their Korean debut activities after their debut single became a half-million seller in Japan and reached number 1 on the Billboard Japan Hot 100, according to joynews24.com.
The single, titled 'KO1KEYZ', was released simultaneously in Korea and Japan on October 7, 2026. It sold 525,248 copies in Japan within one week, and first-week sales there stood at 460,000 copies — the highest first-week figure for a debut single this year. In Korea, first-week sales were 116,090 copies.
The release also topped both the Oricon weekly singles ranking and the weekly combined singles ranking. The group was additionally a nominee for first place on MBC M's 'Show Champion'.
KO1KEYZ will next hold '2026 KO1KEYZ 1ST FAN MEETING IN SEOUL' at Bluesquare Woori WON Banking Hall in Seoul on November 7-8. All sessions of the fan meeting sold out.
The 12-member multinational boy group was formed through the audition program 'PRODUCE 101 JAPAN SHINSEKAI'.
Quick answers
When did KO1KEYZ make their debut?
The group released their debut single 'KO1KEYZ' simultaneously in Korea and Japan on October 7, 2026.
How many copies did KO1KEYZ's debut single sell?
It sold 525,248 copies in Japan within one week, with first-week sales of 460,000 in Japan and 116,090 in Korea.
When is the KO1KEYZ fan meeting in Seoul?
'2026 KO1KEYZ 1ST FAN MEETING IN SEOUL' runs on November 7-8 at Bluesquare Woori WON Banking Hall, and all sessions sold out.