Why is Tota Konoe No. 7?


In UQ Holder, when Tota Konoe joined the UQ Holders, he was placed No. 7 and
Kurōmaru Tokisaka who joined at the same time as him was placed No. 11. Later
on, Santa Sasaki joined and was placed No. 12. So why was Tota Konoe placed
No. 7?

