- Release Date : 2012. 04. 03
- 비밀 (Insane) M/V : watch at BTOB Official Channel | 1theK
- 비밀 (Insane) Individual M/V : Watch
- Imagine M/V (MTV Ver.) : Watch
- Teaser (photos) : Link
Track Listing
| No. | Title | Composition | Lyrics | Arrangement | Length |
|---|---|---|---|---|---|
| 1. | Born to Beat | Seo Jaewoo | Seo Jaewoo, Seo Yongbae (TENTEN), Jung Ilhoon | Seo Jaewoo, Seo Yongbae (TENTEN) | 1:25 |
| 2. | 비밀 (Insane)* [Secret (Insane)] | Seo Jaewoo, Seo Yongbae (TENTEN) | Seo Jaewoo, Seo Yongbae (TENTEN), Lee Minhyuk, Jung Ilhoon | Seo Jaewoo, Seo Yongbae (TENTEN) | 3:37 |
| 3. | Imagine | Seo Jaewoo, Seo Yongbae (TENTEN) | Seo Jaewoo, Seo Yongbae (TENTEN) | Seo Jaewoo, Seo Yongbae (TENTEN) | 3:44 |
| 4. | Monday to Sunday | Jörgen Elofsson, Dru Scott, Fredrik Thomander | Dru Scott, Jörgen Elofsson, Fredrik Thomander | Jörgen Elofsson, Dru Scott, Fredrik Thomander | 3:11 |
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