|Released||February 25, 2010|
|Cooperation with||Up-Front Agency|
|Previous|| 20 (Hatachi)|
Making of footage was released in a separate DVD titled too sweet Eri on March 3, 2010.
The title of the photobook is describing Kamei's sweet side.
The photobook shows a mature Kamei Eri with a hint of sweetness. The theme of the photobook is a sequel from her last photobook "Hatchi 20", which describes the beginning of a new story of her life. In the photobook she continues to explore the new life of an adult while keeping her sweet disposition along the way. The photobook contains many pictures of her in different outfits ranging from swimsuits to lovely casual. The pictures were shot of her making very feminine poses. The photobook picture's were taken to express her adult sex appeal but also to show her sweet smiling personality.
- Listing: Wani Books