Synopsis: A 2nd Year High school student and a Kendo club member, Tamao Tsukamu, admires his senpai, the club captain, Kiritani Konome.

One fateful day, she asks him for a favor involving making special kinds of photos for the student graduation album.

It is appointed to Senpai and the album production execution committee of the object of adoration, The filming of sex photograph will be collected. 
I think that it was ordered a nude photograph by the girl who does not have a boyfriend from the next day of the virginity loss.
The myself also my person to [hame] that takes the photograph while masturbationing in the stark-naked why. 
At the that morrow, It plays with in sempais of the swimming club and it is played with by a nice way, The large number of people to Like this that strives to the partner in the until when morning!?
And There were a think when it finished collecting photographs a little more, An insufficient not yet from the chairman thing was reported.!?

With the filming of sex graduation album, Another one thing with the tradition was reported. That is "Gambling"!? Chastity of his female students only, And, the woman can freely decide any wage that a man bets. Even though money, Even though the life...
It [Sachi Izumi Gakuen bet Miss game]!

The partner Mizu Yanase Senpai of the bikini models who pose for cheesecake photo collections in the top. And I challenge from a senpai the given difficult problem which is limitlessly near to winning rate 0.

"Shouizumi educational institution tojou match!!"
The win is obtained saki Senpai either of the leader of gyarusa because of the pine needle tug-of-war match, The filming of sex photograph is gotten. Senpai is a cum in the vagina of the first life. Achieved moment, Juniors crowded surroundings, copy was taken and it turned into the filming of sex of opening to the public scene.
Is it shameful or pleasant?, At the end with the commemoration photographing. Afterwards, Who is it blamed from girls who crowd and whom already....? The chairman that time, exceeded the situation of assistance and it began to see with suspicious eyes Like this that cooperated in the myself why.!?