[Photo] ##AtHeart## deliver refreshing remake of '3! 4!'

Group AtHeart (AtHeart) held a release showcase for "3! 4!" and a multi-form drama production presentation at the RYSE Autograph Collection in Seogyo-dong, Seoul, on the afternoon of the 19th.

AtHeart (Michi, Arin, Katelyn, Bom, Seo-hyeon, Aurora, Nahyun) expands its universe with the second single of the "Time Travel Project (TIME TRAVEL PROJECT)," "3! 4!," and the time-slip adventure drama "3+4!," portraying youths from different eras racing toward the same dream.

AtHeart members perform the "3! 4!" stage. Aug. 18, 2026

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