Partenza is Buono!'s first major label EP. It was released by their new label Zetima on August 10, 2011, a week after its 30-second promotional video. The first press edition included a photo card. It reached #21 on Oricon's weekly chart, a new low for the band.

1. "partenza~Let's Go!!!~"
2. "Zassou no Uta"
3. "FrankincenseΨ"
4. "My Alright Sky"
5. "Natsu Dakara"
6. "Kia Ora Gracias Arigato"
7. "Juicy He@rt"
8. "1/3 no Junjou na Kanjou" (Siam Shade cover)

• Buono! official blog (in Japanese)
• Official Hello! Project profile (in Japanese)