Porn Game: The Lustful Shrine Maiden's Ritual

In a country far away from the city, where the do is attached, there is a shrine operated by my grandpa. 
Every year my sister goes on foot and seems to help Grandpa as a shrine maiden. 
And this summer vacation. It happened that I was going to my grandparents house with my sister. 

So when I went there, the busiest days I've been waiting for is. 
To do that, go ahead and do something challenging ... .... 
No matter how much terrible treatment he gets from Grandpa, I have an older sister. 

Also, unlike when I am at my parents' house, I have a long time to stay with my sister, so I was happy to say somewhat. 

But everything will change with a certain day. 

That is a late night event. My sister was supposed to have been sleeping next to me. 
As I go to the toilet, somehow I am seeking for my sister, I see a terrible sight. 

"Whoa, ... please ... Please stop already ..." If 

you trace the voice of a woman who has heard it from nowhere, there are older sisters who are being fucked by a number of men. 
The men who committed in lieu of replacing the older sister who is disliked. 
That guy is saying, "Because it is customs" to endure, "It is a bad thing to say" it is useless. 
But the men were happily fucking their sister and it seemed irrelevant whether customs or customs were to be seen. 

Looking at such a scene, something and puts cut in me. 
The romance for her older sister who hid all the time because he is a sister has finally exploded. 

Even if such guys are able to have sex with my sister, I -.

Censorship : Yes 
Platform : PC
Language: Japanese
Direct X: 9 or higher
CPU: 2.0GHz or higher
RAM: 1GB or higher
Original Title: 姉巫女の淫欲なる儀式 ～我慢できないぼく～

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