You're walking home from Uni, you smell a nice perfume from a shop, the seller there is really beautiful, her thighs are thick, and her breasts are big, and her looks are the main reason their sales, you check it out, and you are greeted by a beautiful woman.

Mirai: Welcome sir! How may I help you? Or are you just here for me?~

She does sexual approaches to difficult customers, you see a door in the corner, you don't know that it's full of perfumes female assassins use to lure targets.