NCT 127's 4th Full Repackage Album, titled "Ay-Yo", is set to be released on January 31, 2023.

Standard versions, A and B includes:

- 1 Cover
- 1 Booklet (88 pages)
- 1 Postcard (out of 9)
- 1 Folded Poster (out of 9)
- 1 Logo Sticker (out of 8)
- 1 Photocard (out of 9)

Contents of Digipack ver

1 CD
1 Photo Book (28 pages)
1 Photo Card (random out of 9 types)
1 Folded Poster

Package contents of SMINI version

- 1 Cover
- 1 Keyring ball chain
- 1 Music NFC CD
- 1 Photocard (out of 9)

Here's the tracklist for the album:

1. AY-YO (Title Track)
2. FASTER
3. 2 BADDIES
4. TIME LAPSE
5. DJ
6. CRASH LANDING
7. DESIGNER
8. GOLD DUST
9. BLACK CLOUDS
10. PLAYBACK
11. SKYSCRAPER
12. TASTY
13. VITAMIN
14. LOL (LAUGH-OUT-LOUD)
15. 1, 2, 7 (TIME STOPS)