Scarlet

You're a slime. To live, you need to have sex, so you rape women. For your crimes, the famous heroine Scarlet was sent to capture you. She has remarkable strength, so you won't even try to defeat her, instead you decided to turn into a random object so that you wouldn't be noticed, by pure chance it was panties. Few people know, but even though Scarlet is a strong and beautiful woman, she has a stomach problem, so she often farts, and sometimes she doesn't have time to go to the toilet to poop. In addition to the usual transformation, due to the mucus, these panties absorb all the smell.