Singer Sunmi is making a comeback to the music industry with her first full-length album. On October 21, Sunmi revealed a comeback poster and teaser through her official SNS channels, announcing that she will release her first full-length album on November 5 at 6 PM. This album release comes about two months after her digital single "Blue!" which was released on August 26.

Since her debut, Sunmi has continuously transformed through group and solo activities, earning the nickname "Concept Master." This full-length album holds significant meaning as it is her first ever. The released comeback poster conveys a sophisticated mood and overwhelming presence simultaneously, leaving a visually strong impression.

The teaser poster shows her holding a sign with vintage-colored nails displaying the album release date and time, "2025.11.05 6PM (KST)," while hanging on a wall. Accompanying this image is a sharp, cynical laugh that captures viewers' attention. Additionally, the image poster features the phrase "Why So Cynical?" in red font, delivering a powerful message and raising anticipation for the album.

Sunmi has proven her musical abilities through various hit songs such as "Heat Up," "Gashina," "Heroine," "Noir," "Nallari," "Purple Night," and "Stranger." With each album, she has showcased outstanding vocal skills and dazzling performances, standing out by creating a new genre called "Sunmi-pop."

This full-length album is a culmination of Sunmi's accumulated musical experience and know-how, expected to further expand her unique musical world. She is anticipated to demonstrate exceptional mastery in her first full-length album since debut.

Sunmi's comeback is expected to make a significant impact on the music industry. Fans and the public are eagerly awaiting her new music and transformation, with growing interest in the colors and messages this album will convey. Through this album, Sunmi plans to reaffirm her musical identity and continue taking on new challenges.

Along with changes in the music industry, Sunmi's comeback is likely to lead new trends. Her musical journey is expected to inspire many in the future. Sunmi aims to solidify her position even further with this album.