Ezaki Hikaru is the original Girls Planet 999 J01 and the main dancer of Kep1er, a group that debuted with WA DA DA on Jan 3. She's the shortest member and is seen the most with Bahiyyih. Hikaru placed 7th. Her habits are to cheek rubs with other members.
"Hey, who's the Japanese member of kep1er?"
"Its Ezaki Hikaru of course!"