How Japan Censors Manga Afterwards
In Japan, a list exists that has 350 words on it that are deemed "undesirable". They aren't really banned but it is clearly unwanted that they are used. If they are, certain readers or viewers could be offended or interest groups could feel provoked to protest against the publishers or tv channels.
The still growing list does also affect manga and lets publishers debate as to whether they alter the old speech bubbles for re-issues and replace critical words by more socially-accepted terms. Oftentimes, they opt for censoring.
The website Kotaku has found a few good examples for that practice. For example, Fist of the North Star is one of the manga that are well-known in Western society. Here, Kotaku lists two alterations that are different in comparison to the original:
Head over to Kotaku for more examples.