GROUP PROFILE
BtoB Blue
Debut: Not recorded. Community-sourced group profile. Connections can include former members and may be incomplete.
· Source snapshot 2026-10-01. Current roster has not been verified against an official artist page.
Artist connections
SE
ARTIST↗
Seo Eun-kwang
Birthday · 1990-11-22
LC
ARTIST↗
Lee Chang-sub
Birthday · 1991-02-26
YS
ARTIST↗
Yook Sung-jae
Birthday · 1995-05-02
Albums and EPs
All recorded releases ↗Release history has not been recorded for this artist yet.
Sources
name · Source ↗