VRoidStudio outfit on plus sized help

i orognaly posted this on the vroid group on facebook for help but being that my facebook was hacked and can't get in to it and i managed to get my emal back but the password reset code for facebook dost work and im restricted for 24hours its been 2 days and code doesnt work so if anyone commented i would never know right but for the help is is there a way to flatten the breset area with the body suit cause im trying to make a tshirt and if i add a logo it wall look horible due to the brest area and the tshirt will not work with plus sized model so if you have any advice on that let me know  

and if you  have a good name for her please let me know