Well, they have anime, so why not hentai? And if they have hentai, why not extreme hentai like incest? And then you end up with a "Heartwarming" trope where s

Well, they have anime, so why not hentai? And if they have hentai, why not extreme hentai like incest? And then you end up with a "Heartwarming" trope where someone sleeps with their mother. https://web.archive.org/web/20110118061340/http://tvtropes.org/pmwiki/pmwiki.php/Main/BoysEmpire https://web.archive.org/web/20110118061340/http://tvtropes.o... I think porn examples are banned now.