Story is about a girl visit to a sex shop and she doesn't have money at all. So shop assistant offer her a sample test device for free and she takes it and it is a chastity belt. And she locks it in the waist and after she can't find the key in the box. So she is trapped in it and she need to buy the next box to have the key and it's 1000$ or something. So she do some modelling job for the sex shop to find that money and story flows like that. I hope you guys know it's name.