User blog comment:B214/Volume 21 info & spoilers/@comment-112.215.152.120-20160620030134/@comment-1359322-20160624123043

Give up on that dream of yours. Miyama rarely provide beyond 5 illustrations for LN anymore. If there's even 3 illustration for one volume alone we should consider it to be a lot already.

Sad but that's the truth, we won't get to see much character or major illustration from Miyama nowadays.