User blog comment:Crazylittlefreakgirl/Fairy Tail Official Pairings?/@comment-76.161.172.226-20120816145901

Since people still link to this claiming that it's true, I tracked down the origin.

It seems to have originated on Mangafox, and spread to tumbler and facebook from there. Specifically it seems to have originated with this post:

http://forums.mangafox.me/threads/91071-Official-Romance-Thread/page2526?p=9529927#post9529927

which was apparently someone doing their own take on someone elses theories:

http://forums.mangafox.me/threads/91071-Official-Romance-Thread/page2527

sure enough, go back a few days, and you find them making amongst others these posts:

http://forums.mangafox.me/threads/91071-Official-Romance-Thread?p=9480184#post9480184 http://forums.mangafox.me/threads/91071-Official-Romance-Thread?p=9477656#post9477656

which the closest it gets to having actual substantiated support is this Japanese blog post:

http://tomodachi100.blog54.fc2.com/blog-entry-947.html

Which does not actually say that he wrote the filler, merely that he was involved. And it makes no mention of Lisanna, or romantic pairings.

So, bottom line is that this would appear to originate with a guy who was at the time a NaLu fan, spouting his own theories, and things he didn't translate himself, as though they were fact. They then got repeated by someone else as fact, and that persons comments made it onto the larger internet.