In front of the restroom, a mother and her son encountered each other. 'After you, Mom,' the son let his mother go first and stood at the door, trying to hold back his urge to urinate while waiting. Then he heard a faint sound of urination. 'Ohhhh…drip drop...' Hearing his mother's sound of relieving herself for the first time, the son felt awkward but found himself unable to stop listening. He wanted to hear this sound more, and he wanted to open the door right now to see the scene of release. A strange desire he had never felt before began to control him...
