Insert the piston! / Pisu Hame!

The main character of this hentai, Tamao-kun, is an ordinary student, shy, short, and secretly admires the local school idol, captain of the kendo club, Kiritani Konome. However, he soon learns that he was chosen along with Kiritani to collect photographs for an unusual school photo album. In this album, graduates must be photographed together with their boyfriends at the moment of sexual intercourse or its end. And so the hard work begins for Tamao-kun, because most of the graduates don't have a boyfriend.