Sana had come back to her father's hometown for a visit. At the house, Sana's uncles were all gathered together. Her father had to return to Tokyo early due to work. One day, Sana, out of mischief, stimulated her sleeping uncle's groin, causing him to ejaculate. The uncle had woken up and noticed without Sana knowing. From then on, the perception among the uncles spread that "Sana is a naughty girl," and she became a target for middle-aged men.
