Sakimi Endo has finally become Takuya Kakizaki's ex girlfriend. She thought this happiness would last forever, however something's wrong. Her perfect dreams shattered when she was betrayed by her bf & now she has an incredible amount of debt on her. Not being able to pay this off, she's now compelled to become porno pet to countless strangers in order to pay off debt. Her life switched instantly from heaven to hell in blink of an eye! Just when she thought her life is in despair forever, she receives one mysterious mail. This mysterious mail guides her way she can get out of this nightmare. & of course, she had her worries & doubt at first, however this was only hope she has been waiting for. So she heads for club named 'Canary' which was written on mail. When she arrived, one who was waiting for her behind door was owner of club 'Canary', Amamiya.