Otae and Shinpachi are invited to Kyubei’s birthday party. The two arrive at the Yagyu mansion with a birthday cake in hand, only to find the place filled with celebrities from the entertainment and political worlds and other various industries! When the two begin to feel out of place, they spot Gintoki, Katsura, Hasegawa, and Kamenashi (without his shell) causing a huge commotion. Naturally, with these members together in one place trouble is bound to happen…
This is a celebration of the birth of the young master of the famous Yagyu clan,
Es la celebración del nacimiento 
de la joven ama del famoso clan Yagyu,
Esta é uma comemoração do nascimento
 do jovem mestre do Clã Yagyu,