NCT JNJM—featuring Jeno and Jaemin—has unveiled details of the B-side tracks from their first mini album.

On February 10, the unit introduced songs from BOTH SIDES, which trace the progression of attraction as it deepens into love.

What It Is is a pop R&B track where Jeno and Jaemin's contrasting vocals create restrained sensuality and a dreamy mood. Jaemin participated solely in the lyrics, capturing the very first moment of love and how subtle sparks between two people grow into a powerful pull.

Sexier shifts to a hip-hop dance sound, highlighted by bright, upbeat synthesizers, rhythmic grooves, and an addictive chorus. The lyrics portray love becoming increasingly bold with wit and honesty, amplifying the duo's provocative chemistry.

The pair also released night-themed concept images on SNS today, transforming into secret agents and projecting both charisma and tension.

BOTH SIDES is set to drop on February 23 at 6 p.m. KST across major music platforms.