You have to buy the game and expansions separately.
HF Patch does not contain the full game, paid expansions or any other pirated content. Read the full HF Patch manual to learn more about what it is, what it does, how to use it, and how to solve common issues. This patch is meant for the Steam/International version of the game (it does not work with the original JP version). An unofficial patch for VR Kanojo with all free updates, fully modeled uncensors and essential mods.