01. Who's got the KEY?
No details
5min
November 7, 2018
02. Which KEY would you choose?
No details
4min
November 14, 2018
03. You're my rookie, rookey, rooKEY!
No details
5min
November 21, 2018
04. KEY just about to shine
No details
5min
November 28, 2018
05. Time to FACE KEY
No details
7min
December 5, 2018
06. KEY-KEY, Do You Love Me?
No details
7min
December 11, 2018
07. Baby, You are my lucKEY star
No details
5min
December 19, 2018
08. Now we present you the hidden KEY
No details
8min
December 25, 2018