Board Thread:Questions and Answers/@comment-4680574-20140502005400/@comment-4311395-20140503045822

Come to think of it, the fallen maidens series was centered around the demon lord's 4th daughter, Duerella.

After that was the wonderland series, which featured the demon lord's 3rd daughter, The Queen of Hearts.

Maybe his next idea will have something to do with her 2nd daughter.