released on June 26, 2019.
![Buenos Aires (Type A) [CD+DVD] Buenos Aires (Type A) [CD+DVD]](https://www.j-enta.com/fotos/10884.jpg) | Buenos Aires (Type A) [CD+DVD] Catalog: UPCH-80519 | 1. | Buenos Aires | 4:23 | 2. | Tomorrow (Tomorow) | | 3. | Target | | 4. | Buenos Aires (Instrumental) | 4:23 | 5. | Tomorrow (Instrumental) | | 6. | Target (Instrumental) | | 7. | Buenos Aires | 4:23 | 8. | Target | |
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![Buenos Aires (Type B) [CD+DVD] Buenos Aires (Type B) [CD+DVD]](https://www.j-enta.com/fotos/10885.jpg) | Buenos Aires (Type B) [CD+DVD] Catalog: UPCH-80520 | 1. | Buenos Aires | 4:23 | 2. | Tomorrow (Tomorow) | | 3. | Toshishita Boyfriend (年下Boyfriend) | | 4. | Buenos Aires (Instrumental) | 4:23 | 5. | Tomorrow (Instrumental) | | 6. | Toshishita Boyfriend (Instrumental) (年下Boyfriend (Instrumental)) | | 7. | Buenos Aires | 4:23 | 8. | Toshishita Boyfriend (年下Boyfriend) | |
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![Buenos Aires (WIZ*ONE Ahn Yu-jin Edition) [CD] Buenos Aires (WIZ*ONE Ahn Yu-jin Edition) [CD]](https://www.j-enta.com/fotos/10911.jpg) | Buenos Aires (WIZ*ONE Ahn Yu-jin Edition) [CD] Catalog: PRON-5048 | |
![Buenos Aires (WIZ*ONE Choi Ye-na Edition) [CD] Buenos Aires (WIZ*ONE Choi Ye-na Edition) [CD]](https://www.j-enta.com/fotos/10912.jpg) | Buenos Aires (WIZ*ONE Choi Ye-na Edition) [CD] Catalog: PRON-5047 | |
![Buenos Aires (WIZ*ONE Edition) [CD] Buenos Aires (WIZ*ONE Edition) [CD]](https://www.j-enta.com/fotos/10886.jpg) | Buenos Aires (WIZ*ONE Edition) [CD] Catalog: PRON-5043 | 1. | Buenos Aires | 4:23 | 2. | Tomorrow (Tomorow) | | 3. | Human Love | | 4. | Buenos Aires (Instrumental) | 4:23 | 5. | Tomorrow (Instrumental) | | 6. | Human Love (Instrumental) | |
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![Buenos Aires (WIZ*ONE Honda Hitomi Edition) [CD] Buenos Aires (WIZ*ONE Honda Hitomi Edition) [CD]](https://www.j-enta.com/fotos/10913.jpg) | Buenos Aires (WIZ*ONE Honda Hitomi Edition) [CD] Catalog: PRON-5052 | |
![Buenos Aires (WIZ*ONE Jang Won-Young Edition) [CD] Buenos Aires (WIZ*ONE Jang Won-Young Edition) [CD]](https://www.j-enta.com/fotos/10914.jpg) | Buenos Aires (WIZ*ONE Jang Won-Young Edition) [CD] Catalog: PRON-5044 | |
![Buenos Aires (WIZ*ONE Jo Yu-ri Edition) [CD] Buenos Aires (WIZ*ONE Jo Yu-ri Edition) [CD]](https://www.j-enta.com/fotos/10915.jpg) | Buenos Aires (WIZ*ONE Jo Yu-ri Edition) [CD] Catalog: PRON-5046 | |
![Buenos Aires (WIZ*ONE Kang Hye-won Edition) [CD] Buenos Aires (WIZ*ONE Kang Hye-won Edition) [CD]](https://www.j-enta.com/fotos/10916.jpg) | Buenos Aires (WIZ*ONE Kang Hye-won Edition) [CD] Catalog: PRON-5051 | |
![Buenos Aires (WIZ*ONE Kim Chae-won Edition) [CD] Buenos Aires (WIZ*ONE Kim Chae-won Edition) [CD]](https://www.j-enta.com/fotos/10917.jpg) | Buenos Aires (WIZ*ONE Kim Chae-won Edition) [CD] Catalog: PRON-5053 | |
![Buenos Aires (WIZ*ONE Kim Min-ju Edition) [CD] Buenos Aires (WIZ*ONE Kim Min-ju Edition) [CD]](https://www.j-enta.com/fotos/10918.jpg) | Buenos Aires (WIZ*ONE Kim Min-ju Edition) [CD] Catalog: PRON-5054 | |
![Buenos Aires (WIZ*ONE Kwon Eun-bi Edition) [CD] Buenos Aires (WIZ*ONE Kwon Eun-bi Edition) [CD]](https://www.j-enta.com/fotos/10919.jpg) | Buenos Aires (WIZ*ONE Kwon Eun-bi Edition) [CD] Catalog: PRON-5050 | |
![Buenos Aires (WIZ*ONE Lee Chae-yeon Edition) [CD] Buenos Aires (WIZ*ONE Lee Chae-yeon Edition) [CD]](https://www.j-enta.com/fotos/10920.jpg) | Buenos Aires (WIZ*ONE Lee Chae-yeon Edition) [CD] Catalog: PRON-5055 | |
![Buenos Aires (WIZ*ONE Miyawaki Sakura Edition) [CD] Buenos Aires (WIZ*ONE Miyawaki Sakura Edition) [CD]](https://www.j-enta.com/fotos/10921.jpg) | Buenos Aires (WIZ*ONE Miyawaki Sakura Edition) [CD] Catalog: PRON-5045 | |
![Buenos Aires (WIZ*ONE Yabuki Nako Edition) [CD] Buenos Aires (WIZ*ONE Yabuki Nako Edition) [CD]](https://www.j-enta.com/fotos/10922.jpg) | Buenos Aires (WIZ*ONE Yabuki Nako Edition) [CD] Catalog: PRON-5049 | |