WJSN THE BLACK (์ฐ์ฃผ์๋ ๋ ๋ธ๋) is the second sub-unit of WJSN (์ฐ์ฃผ์๋ ). They debuted on May 12, 2021 with the single album "My Attitude" and the title "Easy", bringing a new side to their already famous concepts. The sub-unit consists of the members: Bona, Seola, Exy and Eunseo. Read more on Last.fm