Yongseok, CHECKMATE Wiki

Yongseok (용석) is a South Korean singer under GRACE COMPANY Entertainment. He is a former member of the co-ed group CHECKMATE.

Segera Comeback, Ini 10 Fakta Menarik Grup KPop CHECKMATE

Seungdae, Kpop Wiki

CHECKMATE' Disband: All About The Co-Ed Group's Split! - OtakuKart

CHECKMATE Wiki

CHECKMATE, Wiki

CHECKMATE (group), Kpop Wiki

Sieun/Gallery, CHECKMATE Wiki

Drum, Kpop Wiki

Yongseok (CHECKMATE), Kpop Wiki

Yongseok, Kpop Wiki

Yongseok, Kpop Wiki

Yongseok (CHECKMATE), Kpop Wiki