In this episode, Sylveon uses Draining Kiss on Froakie. I'm certain Sylveon is female since it uses Attract, and Attract only works on the opposite gender (and I know Froakie is male).
http://www.justanimedubbed.tv/pokemon-xy-episode-13/
I recommend starting at 3:10 to see Attract, and Draining Kiss is soon after.