When having sex, she wants to turn off the lights because her partner doesn't satisfy her enough during their bright encounters at home. At work, she's annoyed by him again while they clean up after closing time. Suddenly, the cafe goes dark due to a power outage. In the pitch blackness, they use their phones and flashlights to see each other's faces as they continue talking. As the atmosphere becomes more intimate... She feels embarrassed about being exposed under bright light since she has sensitive skin. So when darkness falls upon them, she takes advantage of the situation by starting something naughty without revealing their faces...

えっちをする時は電気を消したい女は明るくしてSEXをする彼氏に不満を持っていた。カフェで働く同僚男と閉店後の片付けをしていると突然お店が停電になる。真っ暗な中、スマホのライトや簡易ライトで互いの顔を照らして話をしているうちにイイ雰囲気に…。明るいと恥ずかしい女は電気を消して暗闇になると互いの顔が見えないことを理由に乱れ始めた…。