I saw this when this pic first came out! I couldn't decide if he was trying to be trendy/fashionable or if he just straight up mixed up his shoes! Yeah, he probably forget where the other shoe was and had to hurry. Lay is forever oblivious.
Forever Alone Kim Jongin And I feel this I really true because he's often the first on you notice and then you slowly discover the others and he is forgotten. Don't worry Kai, I still love you :) (behind Chen.