Unable to pay rent, a married woman forced to give herself to a sadistic landlord, turning herself into a颓废 (decadent) and useless person, Arima Miku (SAN-081)

Miku's family is struggling financially because her husband's company went bankrupt and they are being chased by debtors, leaving them unable to pay their rent. Her husband gambles every day, and one day the landlord comes to collect the rent. Unable to pay, Miku is forced to use her body to pay the rent...