: Saburo uses a history textbook from the future to "predict" and survive battles.

The real Nobunaga doesn't disappear; he eventually returns under the alias Akechi Mitsuhide , wearing a mask to hide his face and serving as a vassal to his own double. Why It's Popular (The "Hot" Factor)

The plot centers on , a modern-day teenager who cares little for history until he falls through a wormhole and lands in the 16th-century Sengoku Era.

But what makes this specific Japanese drama a perennial favorite on streaming platforms? Why are new viewers still flocking to watch a samurai story from 2014?

The story follows Saburo, a modern-day high school student who accidentally time-travels to the Sengoku era. He encounters the real Oda Nobunaga , who looks exactly like him. Because Nobunaga is physically weak and overwhelmed by political pressure, he asks Saburo to take his place and fulfill the mission of unifying Japan.

, Saburo, a modern-day high school student, is accidentally transported to the 1500s. He encounters the real Oda Nobunaga—who is physically his double but sickly and weary—and agrees to take his place. The Conflict