Berry Good's Heart Heart have dropped the music video for their debut track "Crazy, Gone Crazy"!

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Heart Heart is Berry Good's new unit featuring members Gowoon, Sehyung, and Taeha, and "Crazy, Gone Crazy" shows a more mature concept than what fans of the girl group are used to. The song itself has an old-school pop feel, and the MV follows the girls after they receive a mysterious invitation.

What do you think of Heart Heart's "Crazy, Gone Crazy"?