Boyhood is the third mini album by TNX. It was released on June 7, 2023. with "Kick It 4 Now" serving as the album's title track. TNX combines their usual k-pop sound with genres like dance and new jazz swing in this album, it gives a fresh coat to an already diverse sound.

Tracklist:

1. Kick It 4 Now
2. By You
3. Good Day
4. My Bias (최애)
5. 1000 Miles
6. Kick It 4 Now (English Ver.)

Inclusions:

• Magazine : 210 x 280mm / 88p
• CD
• Photocard : Random 1 out of 12
• Special Box
• Bookmark : Random 1 out of 6
• Sticker Photo : Random 1 out of 2
• Lyrics Poster
• Post Stamp : Random 1 out of 6
• Paper Ttakji
• Folded Poster