According to Cyworld Jet and Superman CNM on the 8th, "BTOB" Seo Eun-kwang will participate as a new singer of "Cyworld BGM 2021" and release a remake song on December 32 of the Byul.
"December 32" is Byul's debut song released in 2002 and was written and composed by Park Jin-young. She expressed her desperate desire that the calendar would not end until her loved one returned.
Seo Eun-kwang will remake "December 32" with a modern feeling to convey a different charm.
Meanwhile, Seo Eun-kwang's December 32, the 16th sound source of "Cyworld BGM 2021," will be released at 6 p.m. on the 13th.