Eien (永遠; Eternal) is the twelfth solo photobook by Suzuki Airi and her last as a member of ℃-ute. It was published on March 31, 2017 by Wani Books.
The photobook includes photographs of Suzuki taken from 2010 to 2017 by Nishida Koki for her past seven photobooks and the magazine Up to Boy.
Total reported sales: 3,326*
- A preview of the photobook was published in the May 2017 issue of Up to Boy released on March 23, 2017.
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