Atlus is well known for its incredible ports. Every time they port one of their games to a new platform it usually comes with a ton of extra content.
Unfortunately, Persona 4 Golden on PC is not one of those ports. This is a pretty barebones conversion from the Vita version.
Source: N4G PC Persona 4 Golden PC is Atluss most barebones port yet (and its still amazing) – GameCrate