*This content was translated by AI.
On the afternoon of the 9th, a showcase for the release of boy group hrtz.wav's (Hartsuwave) mini-album 'The Second Wave: MOMENTUM' was held at Esfactory in Seongsu-dong, Seongdong-gu, Seoul.
Members Yoon Young-jun, Rian, Dane, Kaiten, and Hagawa attended the event on that day. 2026.09.09.
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*This content was translated by AI.
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