Collection of official behind-the-scenes documents by the Neptunu staff 『 Neptunu Back Book 』 special

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

■ Product Details
100 page specifications
This is a collection of setting information that is full of maniac non-public information such as the secret story of the birth of Nepthunu, the rough pictures of the illustrator's treasured collection including "Tsuneko", staff interviews, etc.
These products are limited to PSVita Soft 『 ネプチューヌ 』 series, application privilege limited goods (not for sale).