User blog comment:Seiun-tan/Uh.../@comment-71.239.124.233-20140122035815/@comment-24343444-20140126155939

I think the only thing similar in their design would be the pigtails, but their backstories are similar in that they're both from the future (Miku is from a future "where all music is lost," and Rion is specifically stated to be born in 2095). But there's not much resemblance besides that ._.