# STU48 14th single release and promotion

> Live situation record from CLSTR: https://clstr.news/situations/stu48-14th-single-release-and-promotion
> Updated: 2026-10-07T01:40:06.000Z. Sources: 5. Developments: 2.

The Japanese idol group STU48 began promotional activities for their 14th single, ‘Fuyufuku ni Kigaetara’ (If I Change into Winter Clothes), with a release event in Tokyo on September 13. The event featured performances by 16 members and highlighted Cocoa Kai, a first-generation member who returned to the group in March after time with Malaysia’s KLP48, as the center for the title track.

Following the official release of the single on October 7, the group held a celebratory event at Hiroshima Station. The single reached number two on the Oricon Daily Single Ranking. Promotional efforts have expanded to include a collaboration with Tower Records, featuring a special edition magazine with handwritten comments from members and various poster campaigns.

## Timeline

### 2026-10-07: STU48 releases 14th single with Koko Kai as center

STU48 released its 14th single, ‘Fuyufuku ni Kigaetara,’ featuring Koko Kai as center. The single reached number two on the Oricon Daily charts, supported by promotional events and Tower Records collaborations.

3 sources. https://clstr.news/cluster/stu48-releases-14th-single-with-koko-kai-as-center

### 2026-09-13: STU48 holds release event for 14th single in Tokyo

STU48 held a release event in Tokyo for their 14th single, ‘Fuyufuku ni Kigae tara’, featuring first-time center Cocoa Kai performing before approximately 800 fans.

3 sources. https://clstr.news/cluster/stu48-holds-release-event-for-14th-single-in-tokyo

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Cite as: STU48 14th single release and promotion. CLSTR, https://clstr.news/situations/stu48-14th-single-release-and-promotion