"Hyperdimension Neptunia use unfamiliar font.
For example, you'll open the picture in Musium>Album> "Restaurant" or "Original: Neptune",you can look this font.

I've summarized this font as below

ABCDEFG
HIJKLMN
OPQRSTU
VWXY
1234567890
(i couldn't find letter "Z")


This font is used in addition to "Hyperdimension Neptunia(PS3)" or "Hyperdimension Neptunia VII".

Example:Hyperdimension Neptunia VII gallery page
http://www.compileheart.com/neptune/v2/gallery/img/48scr.jpg"