One morning, her son Hiroshi suddenly screamed and came to his mother Norika with a look of terror on his face. "Mom! What's going on?!" Norika tried to calm her son who was confused by his rock hard morning wood. He told her that this was the first time he had ever felt this way, except when he saw Norika's voluptuous breasts. Norika's heart was ablaze with the knowledge that her son was looking at her body with sexual eyes, and she ended up comforting her wet crotch in the bathroom... And the next morning, Norika went to check on her son's morning wood herself...