Board Thread:General Discussion/@comment-139.195.63.240-20140309141818/@comment-108.211.232.224-20140409140036

You can interpret them however you want. Nobody is stopping you.

I interpret them as either twins, siblings, or just one soul that was forced to be split into two, for said soul to survive. (I have an awesome head cannon for the Kagamines. I'd post it, but idk if I should post it on the forums...)