Luna, a married female teacher whose way of thinking is starting to diverge from her husband's, ends up sharing a room with the vice principal at the school trip preview location. Although she was attacked while sleeping and resisted, it didn't take long for her to fall for the sticky techniques of the middle-aged man who captivated her... "I'm scared that I might open a new door..." 1 night and 2 days... The heart of the married woman who opened the door has been gone ever since she went on the trip... The 12th installment of the Deep Sorrow series.