A specific publication or "fanzine" style release where the collaboration was featured.
In this context, the term likely refers to one of the following: Kokoro x Zero Two by Hidori Rose and Virtual Ge...
The phrase "Kokoro x Zero Two by Hidori Rose and Virtual Ge" refers to a between popular cosplayer Hidori Rose and Virtual Ge, typically involving a digital photobook or video set . A specific publication or "fanzine" style release where