In the Sengoku era, high school student Yoshiharu Sagara finds himself transported from his own time. He is saved by Hideyoshi Toyotomi, but at a great cost to the latter's life. As a result, Yoshiharu's actions alter the course of history. He joins forces with Nobuna Oda, a brilliant and youthful leader, who nicknames him Saru. Together, they strive to restore the original timeline and help Yoshiharu return to his own world.
Yoshiharu Sagara finds himself in the Sengoku era and his life saved by the s...