This is the scene breakdown for my anime japanese classroom artwork. I had include the Blender3D light setup and Freestyle settings, which you can apply to your scenes.
ArtworkSince I wrote this scene breakdown for this 3D render, Blender3D now have include a "Sunbeam" node which you can use to generate light ray easily.
Some newer artwork which I render with a bit of Ambient Occlusion. The character are drawing, but everything else are straight from 3D.
ReferenceDeviantArt Anime Style Environment Render Settings
DeviantArt Anime Classroom
DeviantArt Japanese Classroom Color 1
DeviantArt Japanese Classroom Color 2
Pixiv Blender3D Japanese Classroom