1 19890731 (feat. MUZIE)
2 Highteen (feat. 이원석)
3 Goodbye Summer
4 Secret of Wave
5 It Was Summer
6 Your Summer
7 Our Night Is More Beautiful Than Your Day (feat. Kim Hyun Chul)
8 Island (feat. Spacecowboy)
9 Dream
10 The Ocean
11 Highteen
12 The Ocean (Saxophone Version by Jay Kim)
13 Highteen (Instrumental)
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