The 6th volume of the Yuru Yuri San Hai Blu-ray will also be available in a limited edition that includes Nendoroid Chinatsu Yoshikawa! She comes with a cute smiling expression as well as an excited expression for when she is around Yui-senpai! She also comes with some tea and tray parts, as well as alternate sleeve parts to recreate her Winter uniform!
Find out more on the official page below. (Available in Japanese Only)
http://yuruyuri.com/3hai/product/bd.php?page=6