Hit Your Heart is the second mini-album by South Korean girl group, 4Minute. The mini-album was released on May 19, 2010, and contains seven tracks. "HuH" was being used as the promotional song for the mini-album. The song debuted at number five on South Korea's Gaon Digital Chart and reached number three for two weeks. The mini-album debuted at number three on the Gaon Album Chart on May 30.