:D Oh, is that what it is? It was a meme present - I've been considering digging up the source, but haven't done it. *glad to know!*

And yeah. I mean, in some ways you could say that yaoi is a subgroup within the Japanese tradition of m/m homerotica produced primarily by women that does, in some ways, correspond to similar subgroups within the Western/English language tradition of m/m homeortica produced primarily by women, but, well, that's not what that sentence says.