Rina Rina in her husband's family home, where he took over the family business. Just as she was getting used to living with her parents-in-law, her brother-in-law returned home with debts. One night, when the family was away and the two were alone, Rina woke up and noticed her brother-in-law's gaze. His passionate, pleading gaze made Rina feel her body heat up. Their gazes intertwined. In the sweltering summer heat, their sweat reflected each other's eyes and the two opened the forbidden door...