A strange phenomenon hit the planet and turned everything upside down. The reality is nothing compared to how the world was years ago. It's not what people knew anymore. Everything has changed and people had to get used to a new world now. Scientists created new technology and new ways of living were found.

In a world where everything is already hard, Mingyu loses the most precious person he could have ever met. The one who saved him from living a lonely life after his mother passed away. The person who was everything for him, Jeon Wonwoo. 

On top of that, Mingyu finds out the hidden truth about himself. Something he had never ever imagined and never even wanted. The truth that will turn his life even more upside down.