There is a mod for the original but it's a texture mod and LEWD plus the tool to install it is in Japanese so unless you can read Japanese Good luck

http://steamcommunity.com/sharedfiles/filedetails/?id=409454600

There's a full neptunia modding guide. gl hf gg no re.

Also the nude mods look cool af

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http://steamcommunity.com/app/413410/discussions/0/412447613562838747/

You can repack Danganronpa's files too

inb4 nude mods for danganronpa
OOOH NOOOO