There is much speculation about what happened with HentaiHaven.
And arrive he does; a human man finds himself in the middle of this paradise.
It has a lot of girls in it, too, and just one very lucky guy.
Those who are attractive are pushed into the sex industry, becoming sex servants to the other members of society.
As more and more girls from the local school visit his shop, he is able to become friends with them.
Shoujo Ramune is a harem hentai with an older man and several younger girls.