Offset is the second mini album by South Korean singer Chung Ha. It was released on January 17, 2018 under Entertainment and distributed by CJ E&M Music, with “Roller Coaster” serving as the album’s title track. The track “Offset” was also promoted on music shows, reinforcing the project’s dual focus on performance and atmosphere. The physical release was made available in two versions, Off and Set, reflecting the album’s conceptual contrast between restraint and release. The album marked a decisive turning point in Chung Ha’s post-debut trajectory. While her solo debut introduced her as a promising performer, Offset firmly established her as a fully realized pop artist. Sonically, the project leans into sleek synth-pop and deep house influences, pairing controlled minimalism with sharp rhythmic precision. The production is polished yet tense, creating a sense of motion that never quite settles. “Roller Coaster” became a breakout moment in her career, praised for its hypnotic bassline, understated chorus, and emotionally detached delivery. Rather than relying on explosive hooks, the song thrives on subtlety, mirroring the instability and anticipation suggested by its title. Its success repositioned Chung Ha within the industry as an artist capable of commanding attention through restraint rather than excess. The track “Offset” offers a darker, more confrontational energy, emphasizing choreography and stage presence. Its promotion alongside the title track highlighted Chun