Sae comes home after working overtime every day.
Her boyfriend Takafumi, who came home early, said -
"I'll make dinner, so go take a bath."
Sae took advantage of his kindness and took a bath and then ate and finally relaxed after a long day.
Suddenly Sae remembered the prize she won in the lottery. It was a large vibrator that is often used in porn. Takafumi saw it and decided to try it out on Sae....