Unauthorized reproduction (Pixiv Fanbox)

An illustration that I posted on Fanbox is being reprinted without permission on a certain forum. I could have overlooked it if it had been a work that was open to the public, but it was an illustration that was posted only for supporters. I feel very unmotivated when people do this. I don't know what the person posting it is thinking when they reprint it without permission. Is it to satisfy their need for approval? Or to spread my name recognition? If you're doing it to satisfy your need for approval, please change your mind immediately. It's not just me, it's other authors as well. There are some authors who will stop drawing due to this act. If you're doing this to raise my profile, I appreciate the sentiment, but please don't do it. It is especially disrespectful not only to me but also to the people who actually support me and look at my illustrations when they are reprinted without permission. Image forums are very good. I've used them in the past. It's fun to be able to introduce and critique each other's illustrations and artists that you like. But please don't do anything that makes the author feel uncomfortable. All the authors have expressed their displeasure with unauthorized reproduction. Please understand my, and all creators', feelings. One last thing. I wish all diaper lovers a comfortable and enjoyable diaper life. Thanks for reading to the end.