The Wish Left by the End

In a ruined world, Kim Yul, living alone with amnesia, encounters Kwon Jinhyuk one day. In the middle of a monster nest with nowhere to go, no less. "You, you were flying." Just as he was getting anxious about his hidden ability being exposed, Kwon Jinhyuk makes a threat disguised as a proposal. For some reason, he even saved Kim Yul from being caught by a monster. "You have to repay a life debt with your life. Don't you think?" So, Kim Yul ends up trying to escape with Kwon Jinhyuk. "I'll have to stay with you from now on." The guy who suddenly barged into Kim Yul's life strangely doesn't seem to want to leave. What are we? And why did the world become like this? #Apocalypse #P...