Quote - If I remember correctly V2 did not use JCMs.

I would double check that the Bikini is grouped to match the grouping of V2, i.e. that the collars of the Bikini closely match the collars of V2 etc.  If not you should regroup the Bikini groups to match those of V2 more closely.  Then I would check and adjust the Joint Parameters.

BTW, How did you created the morphs for the Bikini?  Did you actually create matching morph in the Bikini with magnets, a modeling program or a 3rd party utility such as Morphing Clothes?  Or did you just copy the morph data straight from V2, in which case the morphs will not work for the Bikini.

hi, im apologize for the late reply. anyway, yeah i just copy the morph data straight from v2. actually the way im creating cloth quite straight forward. i just load the obj file and apply the existing skeleton in setup room and just click the auto group button, thats why the morph doesn't work well. Now im on my way to create another cloth  for Hermia(gloria 1.0). and now im really onto this problem, she does'nt even have deformer or jcm kind of stuff, how do i actually fix the poke through ?? any tutorial on how to rig figure well, so that the cloth deform with the figure's skin nicely?? :-D