On August 26, Moon Bin & SANHA posted a poster on ASTRO's official SNS containing a pre-promotion schedule for its first mini album "IN-OUT," drawing attention.

According to the plan posters released, Moon Bin & SANHA (ASTRO) will unveil various contents of the new album, including tracklist, teaser image and highlight medley, one after the other, showing new transformations.

ASTRO's first unit, Moon Bin & SANHA (ASTRO)'s first mini-album, "IN-OUT," is an album with a healing message: "FADE OUT, FADE IN."

Meanwhile, Moon Bin & SANHA's first mini-album "IN-OUT" will be released at 6 p.m. on Sept. 14.