MJ, the main vocalist of ASTRO, takes his first step as a solo artist with the release of his debut single album 'Right..?' on the 19th at 6 PM through various online music platforms. The album showcases MJ's unique musical identity as he actively participated in songwriting, composition, and overall production. The album title 'Right..?' reflects his introspective question 'I'm right, aren't I?' and captures MJ's cheerful sensibility and witty messages. The title track '1~10, 1분 전 (9에서 멈췄어)' is a rock-based song where MJ proposed the core concept and participated in songwriting and composition. The song humorously expresses the experience of being 'read but not answered' using numbers, portraying awkward feelings of unrequited love with clever lyrics and upbeat rock sounds. Throughout his career with ASTRO and various entertainment fields, MJ has established himself as a versatile entertainer. With this solo single, he demonstrates his solid vocal abilities and creative capabilities, solidifying his identity as a solo artist.