KO1KEYZ’s Debut Single ‘KO1KEYZ’ Tops Japan Hot 100, Vaundy’s Film Theme ‘Shiwaawase’ Enters Top 10
KO1KEYZ topped the Billboard Japan Hot 100 with their debut single’s title track, “KO1KEYZ”, after the 12-member group launched in Japan and South Korea on 7 October. The result shows a strong cross-format debut, led by physical sales and supported by radio, downloads and video views.
The song sold 525,248 copies in its first week, ranked second for radio airplay, fourth for downloads with 3,546 units, and tenth for video views. Mrs. GREEN APPLE’s “Kyouhan” rose to No. 2, while Ayumu Imazu’s “Musubi” reached No. 5 with 9.3 million streams. Vaundy’s film theme “Shiwaawase” climbed from No. 49 to No. 10, with 5.8 million streams.
- KO1KEYZ reached No. 1 with its debut single.
- The track sold 525,248 copies in its first week.
- Vaundy’s film theme entered the top 10.
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The Billboard Japan Hot 100 ranks songs using several measures, including sales, radio airplay, downloads and video views. A song can therefore place highly through a mix of strong performance across these formats.
KO1KEYZ is a 12-member group that launched in Japan and South Korea in October. Vaundy is a Japanese singer-songwriter, and “Shiwaawase” is a theme song for a film; its chart performance reflects streaming as well as other measures.
The chart offers a snapshot of how listeners are engaging with music in Japan, across both physical and digital formats. Comparing songs on the same ranking can show the different ways new releases and established acts reach audiences.