When I Dream, I Can Travel Through the Heavens

Ishihara found that he had traveled through time and became a useless novice. However, it didn't matter. He also discovered that he could travel through time while sleeping and brought back the ability to travel across the world. Suddenly, Ishihara had a bold idea! Novels that constantly travel through time may be very mindless! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.