Talk:Kagamine Rin \ Len/@comment-66.87.118.95-20141019082330/@comment-24809767-20141205205814

I think they kept it an unoffical relationship for a few reasons.

1. So there can be some room for fandom

2. So there can be more ideas for song(for example if they were offically twins, there will most likely be no love songs, therefore being less ideas turning into songs).