KO1KEYZ's debut single goes half-million seller in Japan

Record

Debut single "KO1KEYZ": 525,248 copies within a week of its Japanese release · first-week sales of 460,018 are this year's best for a debut single

Chart

No. 1 on Billboard Japan Hot 100 · No. 1 on Oricon weekly singles and weekly combined rankings

As of

Fri, Oct 23

KO1KEYZ, a 12-member group formed through the audition show "PRODUCE 101 JAPAN SHINSEKAI", debuted in Korea and Japan at the same time on October 7. Their debut single "KO1KEYZ" sold 525,248 copies within a week of its Japanese release, making it a half-million seller, and went straight to No. 1 on the Billboard Japan Hot 100. On the Oricon charts it topped both the weekly singles ranking and the weekly combined ranking. Its first-week sales of 460,018 copies are the highest for any debut single this year. In Korea it sold 116,090 copies in its first week, and the debut song was nominated for No. 1 on "Show Champion". KO1KEYZ wrapped up about two weeks of promotions in Korea with Mnet's "M Countdown" on October 22. On November 7 and 8 they hold their first solo fan meeting, "2026 KO1KEYZ 1ST FAN MEETING IN SEOUL", at Blue Square Woori WON Banking Hall in Seoul; every seat, including an added show, has sold out.