Question: kpop group that has 7 members?
Answer: From the current active groups, some of the most famous K-Pop boy groups that have 7 members are BTS, GOT7, Block B and BtoB. BTS, GOT7, Block B and BtoB always had 7 members. MONSTA X had 7 members from their debut to November 2019 after Wonho left the group.