Patch for Sexlab framework to make transitions between different expressions more smooth and more natural.  Version 1 requires Mfgfix   Version 3.  Mfgfix-ng required https://www.nexusmods.com/skyrimspecialedition/mods/133568   No esp.   The non-plus version is for regular Sexlab and P+ while the plus version is for Utility Plus (and has support for some of its extras like ahegao). SL smooth expressions(UtilPlus)  is supposed to overwrite  SexLab Utility P