Ai and her boyfriend work part-time at the same convenience store. Since this is Ai's first and only boyfriend, she has never wondered about the size of other people's cocks. And until recently, when her boyfriend's cock couldn't go deep enough to satisfy Ai, she began to be curious about the size of other men's cocks. When I asked my best friend, who knew that her boyfriend's cock was extremely short! And when she looked at the crotch of the store manager, even though there was a layer of pants, Ai could still recognize, it was many times bigger than her boyfriend's cock! Who is determined to be fucked by this cock! She constantly used her big buttocks and T-back panties to seduce the married manager. The manager had to fall down in front of her beauty. The two constantly secretly fucked each other right at the store. Today, a foreign guy came to work at Ai's place, and it seems that his cock is bigger than the manager's...