Board Thread:Questions and Answers/@comment-4345092-20131104092237

Currently, Hakuei is listed as (cousin) of Ren Kouen.

Biologically speaking, they are cousins. However i thought it was clearly stated in the show that Hakuei and Hakuryuu were 'adopted' by their uncle, making them prince and princesses.

so technically, aren't they stepsister/stepbrother?  