Sumire, having risen to the position of company president, believed her life was going smoothly. But just as she decided to end her relationship with him, she was secretly filmed by a man, blackmailed, and ultimately forced into sex. Unable to control her insatiable sexual desire, Sumire repeatedly gives in to his demands, indulging in pleasure after pleasure—yet satisfaction remains elusive, driving her to crave even deeper, more intense experiences. She summons the man, invites him to her home, and engages in relentless sex exactly as she desires, fully savoring every moment until completely fulfilled. Throughout this process, Sumire's heart gradually begins to change.