Normal:
x + 1 --- toggle tops
x + 2 --- toggle neck
z + 1 --- toggle panty
z + 2 --- toggle outer skirt
z + 3 --- toggle inner skirt
c + 1 --- toggle transparency (bra & panty)
c + 2 --- toggle transparency (inner skirt)

Malfunction:
x + 1 --- toggle tops
x + 2 --- toggle neck
z + 1 --- toggle panty
z + 2 --- toggle outer skirt
c + 1 --- toggle transparency (bra & panty)


If you installed GUICVM 1.4.1 or higher,
You can check key bindings by GUICVM.

Press F4, or move mouse cursor left top of window & click appered icon.
then click swimsuit icon.

https://www.loverslab.com/files/file/20372-guicvm_base_package_v10zip/


Caution:
1.  This mod use hi-res nipples mesh by krunkDunk. 
Please install recommended skin for each characters refer to my mods topic.
https://www.loverslab.com/topic/196115-doaxvv-mods-by-lunatic-dawn-dmm-centered/#comment-3847154


2.  If you don't want to use GUICVM, Please disable or delete "sub-gui-text.ini" & "sub-gui-textAW.ini".

3.  Inner skirt transparency cause some error in some motion.