Kanojo ga Separate wo Matou Riyuu

This is an anime adaptation of the Doujinshi of Xe.

Amane Kojou is a girl frustrated by her virginity because of her boyfriend who doesn’t want to have sex. However, Amane is a member of her school’s athletics club, and often a man much older than she looked at her in her sportswear. One day, he decides to blackmail Amane filming it without his knowledge in an intimate situation.