in 1660 atlas coalition war
Gintoki Sakata’s teacher Yoshida shyouyou was caught by Tendoushu
Gintoki and his friend Katsura Kotarou、Takasugi Shinsuke、Sakamoto Tatsuma join the war
but,sadly
they failed to fight off Tendoushu
Gintoki Sakata force to kill his teacher Shyouyou.