The authors are すず and かじじい。 It is a Naruto doujinshi, with the coupling Uchiha Sasuke (うちはサスケ) and Haruno Sakura (春野サクラ).
Here is a picture of the cover.
Hello Zen Wa! :)
Thank you for your request!
I found it at the auction only:
We can get from the auction as well if you want, for that contact us trough our email or contact form please. ;)
Or you can wait for it to be re-stocked on Suruga-ya (but it’s impossible to say when):