ばか！バカ！　馬鹿ー月！

Hello , we in Brazil , we have no access to lightnovels , I would like to know what you want is different from the fourth season of the anime for lightnovels , yesterday finished the anime, and thought it was a very hasty end , can anyone help me ?

I have not seen these images in four seasons , from where are these images?
https://www.youtube.com/watch?v=52wOcmeFPKU

I believe those pictures are from Picture dramas. I think thats how they call them. Just many pictures rotating in and out with voice acting.