The main difference might be in the way some scenes are visually presented. The anime could add more detail or change the art style a bit, but the story remains largely the same.
Hentai coloring manga typically showcases sexually explicit scenes with unique color schemes that draw attention to specific details. The art style can vary greatly, but it's mainly focused on creating a sensual and provocative effect.
There are quite a few differences. To Love Ru manga has a specific story and art style, while Rock might refer to something else entirely with a different focus and elements.
The super powers girl in the cartoon could have adventures like fighting off monsters that threaten the peace of her hometown or traveling to different dimensions to solve mysteries.
Often, an ugly white boy in cartoons is shown with a scowling expression, poor posture, and maybe some odd skin tones or blemishes. These features contribute to making him appear less attractive visually.
Start with basic shapes like circles and ovals for the head and features. Then, exaggerate the features to give it a caricature look. It's not that hard once you get the hang of it.