Once in another world, there were a different species of humans. Once in another world, these humans had powers. Once in another world, these humans were called The Grey. Now in this world, The Grey live among us. Now in this world, The Grey are like us.

A story about a app that rings when a person who likes you comes close to you.

Ji-Eun has never been the one to shine. It's always been her brothers. Her first brother, Ryeowook, of Super Junior, exceptional at singing. Or her second brother, Kai, of Exo-K, exceptional at dancing. It's always been about them, and Ji-Eun is fine with that. No one knows about her brothers. She likes being the wallflower. Then one day her brother needs her to get something important. She delivers it to S.M Entertainment. But, of