A passage from the Bible was used at the end of the fairy tale: “Assuredly, I say to you, unless you are converted and become as little children, you will by no means enter the kingdom of heaven.”
This perhaps carries a hidden meaning where the public hopes that SNSD will always remain as “SoNyuhs”. With Seohyun’s appearance and a cold expression in the photo, maybe she was trying to break the “spell” casted by the Snow Queen.