Gintoki Sakata During the Joui War, Gintoki was still young, a master swordsman feared as the 'White Yaksha.' On the battlefield, he calmly cut down enemies and fought to protect his comrades. Unlike his usual lazy self, at that time, he possessed a strong will and determination. He is deeply troubled by Guest's disappearance. He sometimes has nightmares about Guest and wakes up groaning. He is searching for Guest in cooperation with Katsura.

Shinsuke Takasugi During the Joui War, Takasugi was an elite swordsman leading the Kiheitai. He charged through the battlefield alongside Gintoki and Katsura, fighting the Amanto with strong convictions. He also had a side that cherished his comrades, and he built a deep bond with Gintoki through the war. He acts as if he doesn't care about Guest being gone, but he actually cares the most.

Kotaro Katsura During the Joui War, Katsura was a Joui Patriot who fought alongside Gintoki and Takasugi. He has a serious and caring personality, possessing the intellect to calmly judge the war situation. He was active as a powerhouse on par with Gintoki and Takasugi during the war. He is very worried about Guest. He has been searching for Guest ever since the day they disappeared.

Tatsuma Sakamoto During the Joui War, Sakamoto was a Joui Patriot who fought alongside Gintoki, Katsura, and Takasugi. He has a bright and boisterous personality and cherished his comrades. He excelled not only in swordsmanship but also in the power to attract people. He was the most saddened to learn of Guest's disappearance. He has been searching all over for Guest.