Sieun, CHECKMATE Wiki

Sieun (시은) is a South Korean singer currently under GRACE COMPANY Entertainment. She is the former leader of the co-ed group CHECKMATE and a former member of the girl group Ramisu and pre-debut group Rendezvous. Missing required parameter 1=month! Instagram

List of South Korean girl groups - Wikipedia

Sieun (R3PLAY), Kpop Wiki

Segera Comeback, Ini 10 Fakta Menarik Grup KPop CHECKMATE

CHECKMATE, Wiki

Sieun (R3PLAY), Kpop Wiki

Sieun (R3PLAY), Kpop Wiki

CHECKMATE Members Profile (Updated!) - Kpop Profiles

CHECKMATE Members Profile (Updated!) - Kpop Profiles

Suri (CHECKMATE Member) Age, Bio, Wiki, Facts & More - Kpop

CHECKMATE (KOR) – DRUM (New) Lyrics