This is a real photo of a "2d cafe" -
https://2dcafe.com/So if you would like to reproduce this exact scenario, you would simply need diffuse textures. :)
But I guess you are interested in a procedural toon shared, which unfortunately isn't available in Corona. That would require some tricks/workarounds and there have been some forum posts about it in the past:
https://forum.corona-renderer.com/index.php?topic=24357.0
