In this game you name idols who can be associated with each other when you hear their name whether that be they are from the same group, company, show, whatever.
For example...
Person 1: Joy from red velvet
Person 2: Sungjae from btob (they were on we got married)
Person 1: Yeeun from clc (under same company)
To start, Jisoo from blackpink?