False World

While the protagonist was sleeping, a voice suddenly sounded in his ear: "You have to find the real information among a bunch of false information. Only in this way can you return to the real world. Next is my tip." ①You have one month to find out whether this world is true or false. ②There is no undercover agent among you. ③The library in the city center is safe, but not absolutely safe. ④If you die, maybe you are really dead ⑤…… This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.