DSOGaming writes: “Modder Sakura4 has released the first proper nude mod for SoulCalibur 6. While an earlier mod allowed players to create custom naked characters, it did not have any affect on the original cast. However, this nude mod can be used for both custom and original characters, and there are currently separate versions for male and female characters.”
Source: N4G PC Proper Soul Calibur VI nude mod released for all male and female, custom or original, characters