I Suddenly Fell Asleep After Reading a History Book

In the book recycling bin during the graduation season, a young man picked up a simple history book. This record book of a parallel world contains the energy of dream travel! What kind of training will he receive in this parallel world? A prince who dominates one side? Or the emperor who unified the country? Or cannon fodder among the withered bones? Come and experience this lifetime experience! ! ! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.