Kanariya wa Kago no Naka Episode 1

Samim Endo fell in love with her classmate and was so passionate about them that she did not notice how she turned out to be deceived and drawn into huge debts. To repay the debt, she began to engage in prostitution, having sex with various perverts and crooks. Her life has completely changed, turning into a continuous nightmare. Soon Sakim receives a mysterious letter in which she is offered a way out of this endless sex routine. But is a stranger who gives help so disinterested?