Kyonyuu Dosukebe Gakuen  

Busty Naughty Academy - The Unstoppable Hip Shaking of Virgin Women, 거유도스케베학원, 巨乳ドスケベ学園

At the school attended by the main character, there is a notorious group of girls who are said to harass and exploit men through sexual encounters until they are left drained and empty. it's been reported that all members of this club have had over 200 sexual partners. one day, while on a train, the protagonist accidentally hears a conversation between college students and members of the club. to his surprise, he discovers that they are all virgins who have never experienced sex before. unfortunately (or perhaps fortunately), the protagonist is caught eavesdropping, leading to the day when the club decides to make him their target.