lol... LN has little to no art, except for covers and some inserts.
if you want the art, get the artbooks from the official publishers.
also can get them from kino...
Could you please reupload these?
https://www.anime-sharing.com/threads/2003-witch-fake(フェイク)-soundtrack-op.1217706/
https://www.anime-sharing.com/threads/2000-pinpai-rebirth(リバース).1314894/
https://www.anime-sharing.com/threads/1998-pinpai-missing-itsuka-kitto-(missing-~いつかきっと~)-soundtrack-op.1210849/ https://www.anime-sharing.com/threads/2002-witch-milkyway-2-cd-soundtrack-op-ed.1431041/