1- “The zipper is a window to society.” -Kotaro Katsura
2-“Change is never easy in this world. I can’t even change one friend, let alone a whole country.” -Kotarō Katsura
3-“Love is based on unpredictable events.” -Kotarō Katsura
4-“We could drive them off the entire earth if we had your strength, Gintoki!” -Kotarō Katsura
5-“But I suppose it’s not so bad that an old friend is the same as ever.” -Kotarō Katsura
6-“Gintoki, will you take up your sword once again to cleanse this rotting nation? Lend me the strength of the fearsome white demon once again. [flashback to when they were fighting together] Is this it? Rather than falling into enemy hands, we should kill ourselves and die as warriors.” -Kotarō Katsura
7-“Eyebrow Zombies… How about we call them Zombrows?” -Kotarō Katsura
8-“It’s not Zura. IT’S KATSURA!” -Kotarō Katsura