Characters in the Extra Plus class, like extras, only appear for one or two episodes. However, the main difference is that these characters may interact with the other characters and may directly influence the plot. If they stuck around longer doing the same thing, they would most likely become minor class characters.

Read about other classes:

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.