Here it is:
BD
5,455 Chuunibyou demo Koi ga Shitai! Ren Vol.1
DVD
800 Chuunibyou demo Koi ga Shitai! Ren Vol.1
Total:
6,255 copies.
Now compared to season 1 sales for Vol.1 first week:
16,782 copies
Shichimiya's tears made people reluctant to buy the series and others to cancel the reservations. As expected, Kyoani, you're doing it wrong
.