Three months ago, Mio lost her husband, but she still can't bring herself to take off her mourning clothes, a testament to her profound grief. Her late husband, Takeshi, was a writer with intense deviant desires, who nightly bound Mio tightly, dominating her with what he called love. Over time, Mio grew accustomed to his training, eventually craving the intense stimulation. Now, her husband's young editor has appeared, ignoring Mio's resistance and forcing his way into her life. Through his rough sexual discipline, Mio's deeply buried masochistic nature is brutally exposed.