Hello! I'm Meegeemee26! I'm am theorising if there is a tomorrow for Tenkai  knights

As you can see , there are seven core bricks! But there are six knights! Who could the orange one be...?  ( BTW this is from Google. I do not own this)  This panel is found in the song Get the Glory by Ayako Nakanomori. The full song is on Vimeo.  So TUNE IN FOR MORE THEORIES!!!!!