HDZ48 Arc is the 52nd arc in Gintama.
Kagura and Otsu start up a full-scale idol unit. In response, the galaxy's strongest idol group sends them a challenge. And at the dueling stage, Diamond Perfume (Diamond Vacuum in anime) participates as a backup band too!?
- Terakado Tsuu
- Terakado Ichi
- Shimura Shinpachi
- Sakata Gintoki
- Shimura Tae
- Yagyuu Kyuubei
- Sarutobi Ayame
- Hachibei Takaya
- Diamond Perfume from Character Poll Arc.
- This is a parody of the Japanese girl group AKB48