spoilers!
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the key master appears and seonwoo sacrifices himself and dies. seonwoo said that if he were to die, jehee shouldn’t regress because tomorrow is a gift that he’s giving to jehee, and he doesn’t know if he’ll still be the version of “seonwoo” from the game. jehee regresses anyway and it was still him because the seonwoo from the game and in real life switched places, but he doesn’t remember anything so dongmae tampered with the memory beads and jehee distributed it, so with that seonwoo was able to remember everyone. that’s how it ends i think?

Someone that read the novel can do the honors and give me all the spoilers ? (: