Otsu Arc is the 27th arc in Gintama.
Otsu announces a competition to be her official fanclub, and at the same time Shinpachi's members are leaving for another fanclub. The rivaling fanclub appears to be lead by... Tosshi?
Characters in order of appearance
- Terakado Tsuu
- Hachibei Takaya
- Shimura Shinpachi
- Hijikata Toushirou/Tosshi (Main Antagonist)
- Sakata Gintoki
- Announcer 3
- Okita Sougo
- Yamazaki Sagaru
- Kondou Isao