“I became the planning department's top performer. It's all thanks to you, Minami... Thank you.” As her husband speaks happily, Minami can only force a strained smile under the pain of deceiving him. Since that day, she has submitted to Executive Tsutsumi, telling herself that enduring him will secure her husband's promotion and their happiness. Yet her body sinks deeper into the pleasure to escape the guilt. Then the seventh night arrives...