I want to have a name of a 3d hentai game or 3d hentai animation

[hitosan]

Hi all,

I want to find a 3d hentai game or animation. The content seems like that a girl who is being infected by virus
and when the story goes on, she suddenly kill the guys that being have sexual intercourse with her. And finally she seems that she go back to the old age, and meet with her father or something, and last turn she being corrupted. Since it is long time ago, so i don't remember is it a game or the animation.

Do you know the name of this animation or game? I find for long time but i cannot find it.

Thanks.