User blog comment:IamJakuhoRaikoben/Chapter 290: Night of Intersecting Feelings, Review./@comment-4999650-20120707004319

thank god for sane mangastream translations.. So it seems Yukino is a spy :O and not someone coming into their doorsteps. I had a random theory that maybe shes well-aware of the Eclipse plan, and she was recruited because of her gold keys. In addition to that, handing them to Lucy could have been a mission :O Lets see what happens-!