Cardcaptor Sakura: Clear Card 9

Seventeen years after the original Cardcaptor Sakura manga ended, CLAMP returns with more magical Clow Card adventures! More Questions Than Answers Sakura is thrilled her father has time to come to parents' day at school, as is Akiho when Kaito agrees to go. But he doesn't seem interested in the classes, so what is he really after?

How is Sakura creating Clear Cards? And why did Yuna D. Kaito come to Tomoeda in the first place?!