Shortly after getting married, I moved into my wife's family home, beginning a new life together with her and her mother. Thanks to my kind mother-in-law, our newlywed days went smoothly. But by the third year of marriage, a sudden rut hit our relationship. Exhausted from constant daily arguments with my wife, I caught my mother-in-law's concerned gaze. She began treating me with gentle care, just like a real mother would. Each time we fought, her warm comfort touched me deeply, and gradually, I started developing forbidden feelings for her...