Board Thread:Fun and Games/@comment-5108618-20150203215651/@comment-6697950-20150206091610

Gcheung28 wrote:

Although I'm reaching out to you guys on the SAO community, you can definitely feel free to submit the names of any couples that you love from any other franchise.

Basically, he posted this here to spread the word about the event. But he specifically stated that anyone can suggest characters from any series they like.