Can be found again. The commander of the second division started behaving strangely after an incident that nearly set the Moby Dick aflame, but amnesia was far from the problem. Time travel, no pairings.

An annual festival at Yoshiwara creates a chance for Gintoki to learn more about the death of Shouyou-sensei, while Tsukuyo learns about the truth of her abandonment. Chapter 19: Kabuki-chou is in chaos and yet everyone's faith in Gintoki remains unwavering. Meanwhile, Tsukuyo finally accepts the truth behind the fact which she'd been denying to herself for the longest time.