The current hottest game in South Korea is Overwatch, a 6v6 shooting battle between characters with their own uniqe abilities. A game every teenage gamer enjoys playing including Choi San, the member of a recent debuted boy group called Ateez. One day his teammates declines his requests to play with him and he jumps into a match alone: On this game he gets paired up with random teammates including a very good Ana: A healer with a riffle who is called SHIBER. San and SHIBER began to get along very well where they soon after becomes very good online friends. As time passes and more work for the upcoming debut piles up. San's social life becomes limited - So he chat a lot more with SHIBER than with the people outside of work. San becomes more curious about his friend SHIBER after having been opening up about his worries and problems in life he came to grow an appeal towards Shiber. When San's expectations doesn't meet up upon the meeting with Shiber, his life seemed to grow deeper and deeper into the darker mind than what he had expected.