Kihyun from MONSTA X has unveiled concept photos for his upcoming solo comeback. Starship Entertainment released the concept photos for his second mini album 'BORDERLINE' on July 7 through official SNS channels on the 27th. The concept photos feature an airport baggage claim area, ticket counter, and surreally designed runway as the background, capturing the moment before embarking on a new journey. The album contains a total of seven tracks that convey the journey of creating one's own direction without a predetermined destination and finding one's own path. Kihyun will present deeper musical colors and clearer messages. The title track 'So Good' expresses his conviction and determination to trust his own senses and choices amid the world's demands and move toward freedom, clearly showing the album's direction. The mini album 'BORDERLINE' will be released on July 7 at 6 PM through various online music platforms.