Aka：好久没做 / 愛情少一啪 / คู่แห้ง แล้งรัก / LTNS～不倫探偵夫婦物語～ / Долгое время без секса / Amžinybė be sekso
Summary：The days when they burned with sexual desire are behind them, and Woo-jin and Samuel have become a somewhat withered couple, emotionally and physically.
