Kurihama Nanami

A bright, beautiful, and polite clerk who works at a convenience store near the main character's home.

She is a college student and good at sports. She is especially fond of swimming, and her thighs, which have been toned by her hobby, are her charm point.
She is Saori's younger sister, and the two sisters still go shopping together.
Since the protagonist uses the convenience store where she works regularly, they have become acquainted to the extent that they make small talk, and the protagonist is thrilled when she touches him with her hand when she gives him change.