Run the game and enter the character creator. Select Body Type: Navigate to the Body tab.
Use a program like 7-Zip to extract the contents of Hana MaF BaseBodySet.7z .
Move the extracted files into the game folder. Usually, this is: .../HoneySelect2/BepInEx/ (For textures/plugins) .../HoneySelect2/UserData/ (For character meshes)