VSPDS-521 If you show your erect penis to a student on the way home from school, he will be so excited!

A story set in a provincial city. A group of female students are on their way home after finishing their summer classes when a middle-aged man, wearing a long coat despite the scorching heat, stands in front of them. When he opens his coat to reveal his perfectly erect penis, he asks with a proud look on his face, "See that?" The girls are surprised at first, but gradually become intrigued by the man's erect penis, which they are seeing for the first time...