ex-curse fan

One day, the otaku Mita received a courier, and he opened the courier out of curiosity. In the middle of the night, he had a wonderful feeling. When he woke up, he was amazed by the sight before him!He actually came to Egypt and lived in a pyramid? ! !Inexplicable crossings, allies met, hidden clues, strange identities, are all these illusions or real existence?And the person I gradually fell in love with——