Even if the creator decide to post on FANBOX, some creator don't know what they do next.
From the beginning, if you think about special contribution contents only for FANBOX, contents may not be decided easily, it may become difficult to submit gradually.
In such a case, you do not necessarily need to prepare special contents limited to FANBOX.
You can post your daily works which you usually post on pixiv, Twitter etc, to FANBOX.
If you share your own works on various media, the opportunity to know about the work and the creator.
When posting on FANBOX, you can add a comment along with your work, or post it earlier than other SNS service. This is a great benefit for supporters.
Let's add small benefit that supporter can enjoy within only pixivFANBOX.