
i read the spoilers somewhere in the forum, its a korean bl novel adaptation so its completed in novel and this one particular person did the god's job by reading it and spoil it to us impatient ass people.
so yeah hyeonjin x jaewoo is the endgame, mujin being less possesive and less red flag ( but he still a bitch) , yoon is also transmigrated like jaewoo, jaewoo dies, jaewoo go back to reality, jaewoo came back to the world as his original self, hyeonjin and jaewoo reunited, some conflicts, and might possibly have spicy scenes in the end.