The patch (short for "uncensored") refers to fan-made modifications that:
By Japanese law (Article 175 of the Criminal Code regarding obscenity), any explicit depiction of actual or simulated genitalia must be pixelated or mosaiced ("mosaic censored") in commercial adult media. ILUSION complied by applying heavy mosaic filtering to intimate scenes in VR Kanojo . VR Kanojo -1.06- -ILUSION- -uncen- -2018- - -ja...
Three factors made 1.06 the definitive version for modders: The patch (short for "uncensored") refers to fan-made