How do I save my own manga rights??

I don't have a clue what you are talking about.

the pointlessness of pointless polls may have a negative influence on otherwise not pointless threads which become pointless in return, so passing on pointless polls in otherwise not pointless threads may decrease pointlessness level so that other people don't think it is pointless and give you an answer that is not pointless like the one you just read.

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in need of romance?
uncommon, sad, sweet

if you are published the publisher will protect the rights, if you aren't well you don't have any.

maybe get self-published. but I ain't no lawyer.

If you're referring to copyright, it depends on where you live - in most countries, you just have to write your story down and it's automatically copyrighted. That being said, if you're actually going to sue someone who has infringed your copyright, the damages that you can collect may depend on whether or not you have also officially registered your copyright.