They also gained the attention of two military academics students who have become disillusioned with the academy and the people attending it, Katsura Kotarou and Takasugi Shinsuke.
The two were attracted by the school's goal for the children, striving to achieve their own ideal of a samurai while struggling against themselves.
After learning what happened, the students decided to join the ongoing Joui War on the Joui side to rescue their imprisoned teacher.
I’m busy just protecting what’s right in front of me.Gintoki was forced to choose between killing Shouyou to save Katsura and Takasugi or the opposite.He decided to keep his promise to Shouyou and protected his friends but in turn "broke" his promise to Takasugi.During the war, he became known as the Shiroyasha ("White Demon") due to his powerful swordsmanship and demonic white appearance.It is unknown where he was born, what happened to his parents and what he was doing before becoming a child scavenger. He gained the nickname "Corpse Eating Demon" from the nearby villagers due to being commonly seen wandering in desert battlefields searching corpses for food and weapons to survive.