The name of Sexy Zone's label has changed fromTop J Records to Over The Top. Under this label, they will release their first single "puzzle" on March 6. 

"puzzle" is the theme song to Fuji TV's drama 'Living no Matsunaga-san' starring member Nakajima Kento. Composed by Penthouse's Namioka Shintaro (Vo, G), the song's theme is to acknowledge each other's personalities which comes in various shapes like pieces of a puzzle. 

Nakajima commented, "It was composed by Namioka-kun, who since composing my solo song last year, I've gotten close with and we now frequent cafes together during our free time. As a fan of Penthouse, I am very happy and excited." 

The single will be released in four different types: Regular Edition, Limited Edition A, Limited Edition B, and UNIVERSAL MUSIC STORE Edition. Limited Edition A will come with a DVD containing the music video for "puzzle" and its making footage, while Limited Edition B DVD will include variety footage. Finally, the UNIVERSAL MUSIC STORE Edition DVD will contain some performance footage from the group's dome tour 'SEXY ZONE LIVE TOUR 2023 Chapter II in DOME.'