BTOB's Changsub started teasing for his 1st solo album.
Recently, it was announced that Changsub is coming with his very first solo album this winter. The idol vocalist has released a solo digital single "At The End" for BTOB's 'Piece of BTOB' solo series, but this is his first official solo album in 6 years.
The teaser image released on November 30 KST reveals that Changsub's first solo album is titled 'Mark.' 'Mark' will be fully released on December 11.
Stay tuned for more info on 'Mark'!