If you are a big cock in Kimomen, you can make a big tits collection of the school and get conceived and masturbate Harem!

In modern Japan, the declining birthrate is becoming more serious, and decatinism is popular.
You are going to a school of beautiful women, had sent a non-mote empty every day.

At one time, it is witnessed where you have an erection to Kotone lady of the upper school caste、
It turns out that I thought that I was less than normal until now is the world's leading big cock unequaled man!
When you try to first etch as being invited, you can easily Aheiki a neat and clean lady and crush saddle、
I succeeded in falling as an ideal masturbator that gives everything and flatters me!

In this way, you realized the greatness of your own unequaled decachin, was conceived from one end to the beautiful woman that you liked in the school, and started the rear full school life of the dream to masturbate!

少子化が深刻化し、デカチン絶倫がもてはやされる現代日本。
美女揃いの学園に通っているあなたは、非モテの虚しい毎日を送っていた。

ある時、学園カースト上位の琴音お嬢様に勃起しているところを目撃され、
いままで普通以下だと思い込んできた自分が世界有数のデカチン絶倫男だと判明！
誘われるままに初エッチしてみると、清楚なお嬢様を簡単にアヘイキさせてハメ潰し、
すべてを捧げて媚び尽くしてくれる理想のオナホとして堕とすことに成功した！

こうして自らの絶倫デカチンの凄さを自覚したあなたは、学園内の気に入った美女を片っ端から孕ませオナホにしていく、夢のリア充学園生活を始めるのだった！