Responses
Most kink and fetish stories involve a kinky seme. Kamon Saeko writes a few that involve kinky ukes, but sex is usually a partnership event, especially in yaoi. So, if one is kinky, the other is usually responsive. Anyhoo ...
http://www.mangago.me/tag/kinks+and+fetishes/
Yaoi with kinky seme? Doesnt matter what kind of kink, it can be anything :)