『I think it all started with Ruby saying that Dark Angel is like/his uncle as joke... Then he made Popcorn-chan his brother... Then at MG5 Ruby's character was Sky's character's little sister. And because of that Popcorn-chan became Sky's brother as well...』
Hmm...ASL has families of members?
I heard "kyoudai"and"otouto" in this thread.
There is otaku identity by using language used in anime.
family...I don't understand it well,but It souds interesting!