Manga process tutorial, step 1 thumbnails page layout story telling

Manga process tutorial step #1 thumbnails page layout story telling. How to draw Manga step by step. I personally like to layout story along with thumbnails pages, kind of like story board or box that show sequential art along with rough script.At this stage, I just lay them out just for myself to know what's going on in each panel. There is not yet appropriate action poses, environment, and