My best panty ! Read the description can you do it ? 
 Description of panty
 Type of panty: nylon polyester thong (stick inside the ass crack and ***** )
Colour of panty: White or light colour 
heavily stained from:
1) Asshole **** smell ( this smell formed by not wiping your asshole after discharge and stick the thong inside asshole for couple of times ( **** playing ) ....
2) Strong juicy ***** smell ( this smell formed by watching porn or play with *****) 
3) Sweaty like sore acidic smell between ass and ***** or between legs ( similar to soiled sweaty feet smell) and this smell formed by walking or cycling or running or going to gym .....
Note: please do not put any perfumes smell and no *** inside the panty... (ADULT)