Five months have passed since Kyungsoo disappeared from his life. Since five months of that Kai continues to practice in order to become stronger. Until one day, after five months of not carrying out the mission, Kai gets a new mission with the same type, the mission to protect someone. Though Kai initially refused and did not want to protect others while Kyungsoo did not go back to him yet, but eventually he again received. Who will be protected by Kai this time? And if Kyung

In the darkness and cold air that blows, there was a figure of a young male who ran at full speed. His body was moving swiftly, with his brown hair which blowing by the wind beautifully. He wore black suit in the darkness of the night. His black jacket, black trousers, and black boot he wore to conceal his figure in the darkness of the night.             The young male ran and ran away, until he reached the great wall that felt able to hide his body. He stood against the wall, tried t