B1A4's Sandeul will be releasing a solo album.
His label WM Entertainment confirmed, "Sandeul is preparing a solo comeback for June. Please look forward to it." Sandeul debuted as a solo artist in October 2016, so it's been almost 3 years since then. He had ranked #1 on music charts with the song.
Sandeul is currently in Berlin, Germany for his MV. Stay tuned for more on his solo comeback.