To find what you actually want:
on how to extract these files yourself, or are you looking for a list of tracks typically included in such a rip? How to access the REAL DDLC game files - Steam Community dokidoki little ooyasan 2nd gameripm top
A "gamerip" is the process of extracting audio directly from the game's internal files. In the context of Dokidoki Little Ooyasan 2nd : To find what you actually want: on how