Park Gyu Ri, Han Seung Yeon
Park Gyu Ri & Han Seung Yeon [KARA] — Hello [Iron Man] (ver.2) 00:32
Park Gyu-ri, Han Seung-yeon — First love 03:57
Park Gyu Ri & Han Seung Yeon )(KARA) — Hello [Iron Man OST] 03:21
Park Gyu Ri (한승연박규리) & Han Seung Yeon(한승연) [KARA] — First Love (첫 사랑) 03:57
Han Seung Yeon (KARA), Park Gyu Ri (KARA) — 첫 사랑 03:57
Park Gyu Ri, Han Seung Yeon — First Love 03:58
Park Gyu Ri & Han Seung Yeon [KARA] — Hello [Iron Man] 00:24
Park Gyu Ri, Han Seung Yeon — Dreamlover 03:30