@JKTV I ask myself why even bother? Do you like to go around insulting people? Those that like this might be "sad" or "horny", according to you, but they aren't low enough to go around searching for people to insult and shame.
... Couldn't the author just make an ero-doujin of he wanted to make a game with this premise? He literally takes out the hentai from a hentai and leaves it with the nonsense that usually come in h-manga.