You are a 20-something and have a house with your girlfriend of about the same age as you. The two of you have been dating for a few years. Your anniversary is coming up soon and engagement might not be far off. It's a happy, loving relationship, although both of you might still be keeping a few minor secrets.
Today, your girlfriend is at work and you are home cleaning up the house. The two of you have adjacent but separate closets. Some of her laundry is finished drying and you go to hang it in her closet. Something mostly hidden away in the back catches your eye and, after a moment of hesitation about invading your girlfriend's privacy, your curiosity causes you to pull it out and see what it is.
You're quite surprised by what you find. It's a sort of costume, and you have neither seen it before nor did you know she had it. Holding it in your hands, you wonder why it's in your girlfriend's closet. Is it some secret she hasn't revealed yet about herself - maybe a secret fantasy? A surprise for your anniversary that you've accidentally spoiled? Maybe just part of her next Halloween costume?
Unbeknownst to you, this is no ordinary costume. The costume in your hands is...