Album ini diumumkan akan dirilis pada 1 Juni 2011 di Jepang. Ada tiga versi yang tersedia untuk album ini: dua versi CD + DVD dan satu versi CD.
Deluxe First Press Edition berisi CD singel, album foto, poster, tas mini spesial dan sebuah DVD yang di dalamnya terdapat video klip Mr. Taxi, Gee dan Genie. Limited Period Edition berisi CD, DVD, album foto dan poster, sedangkan Regular Edition dari album ini hanya memuat CD singel itu sendiri.
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1. | "Mr. Taxi" | STY | STY, Scott Mann, Chad Royce, Paolo Prudencio, Allison Veltz | 3:33 |
2. | "Genie" (versi Jepang) | Kanata Nakamura, Yoo Young-jin | Fridolin Nordso Schjoldan, Nermin Harambasic, Robin Jensen, Ronny Svendsen, Anne Judith Wik, Yoo Young-jin | 3:42 |
3. | "you-aholic" | STY | STY, Lindy Roberts, E.Kidd Bogart, Greg Ogan, Spencer Nezey | 3:29 |
4. | "Run Devil Run" (versi Jepang) | Kanata Nakamura, Hong Ji-yu | Alex James, Michael Busbee, Kalle Engström | 3:21 |
5. | "Bad Girl" | Hiro | Hiro, Jörgen Elofsson, Jesper Jakobson, Lauren Dyson | 3:44 |
6. | "Beautiful Stranger" | Hiro | Hiro, Leah Haywood, Daniel James, Carl Sturken, Evan Rogers | 2:42 |
7. | "I'm in Love with the Hero" | Kanata Nakamura | Leah Haywood, Daniel James, Kevin Christopher Ross, Bret Carlson Puchir | 2:48 |
8. | "Let It Rain" | Hiro | Hiro, Love, Habolin | 3:40 |
9. | "Gee" (versi Jepang) | Kanata Nakamura, E-Tribe | E-Tribe | 3:21 |
10. | "The Great Escape" | STY | STY, Andre Merritt, E.Kidd Bogart, Greg Ogan, Spencer Nezey | 3:49 |
11. | "Hoot" (versi Jepang) | Kanata Nakamura, John Hyunkyu Lee | Alex James, Lars Halvor Jensen, Martin Michael Larsson | 3:17 |
12. | "Born to Be a Lady" | Kanata Nakamura | Leah Haywood, Daniel James, Shelly Peiken | 3:56 |
Durasi total: | 41:22 |
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1. | "Mr. Taxi" | |
2. | "Genie" (versi Jepang) | |
3. | "Gee" (versi Jepang) | |
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1. | "Mr. Taxi" | |
2. | "Mr. Taxi" (dance version) | |
3. | "Genie" (versi Jepang) | |
4. | "Gee" (versi Jepang) | |
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1. | "The Boys" (versi Jepang) | 3:51 |
2. | "The Great Escape" (Brian Lee remix) | 4:57 |
3. | "Bad Girl" (The Cataracs remix feat. Dev) | 4:30 |
4. | "Time Machine" | 3:58 |
5. | "Mr. Taxi" | 3:33 |
6. | "Genie" (versi Jepang) | 3:42 |
7. | "Gee" (versi Jepang) | 3:21 |
8. | "I'm in Love with the Hero" | 2:48 |
9. | "Hoot" (versi Jepang) | 3:17 |
10. | "Let It Rain" | 3:40 |
11. | "Beautiful Stranger" | 2:42 |
12. | "you-aholic" | 3:29 |
13. | "Run Devil Run" (versi Jepang) | 3:21 |
14. | "Born to Be a Lady" | 3:56 |
15. | "Mr. Taxi" (Steve Aoki remix) | 5:08 |
Durasi total: | 56:13 |
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1. | "The Boys" (versi Inggris) | |
2. | "Bad Girl" | |