So, in case no one has heard, there's actually some corruption/MC in Kill La Kill. I figure I'll post the situations, although WARNING SPOILERS.
First is episode 12, where Ryuko's blood runs too hot, causing her synchronization with Senketsu (the talking clothes that combine with her to make her super-powered, along the lines of Kamen Rider/Power Rangers) to go haywire. What results is a corrupted berserker-monster form of her that is only broken by Mako (Ryuko's first friend, other than Senketsu).
Next is episode 18, where Ragyo Kiryuin, who shows herself to be the real bad guy in the show (by playing as the herald of a world consuming alien species better than Sephiroth could ever do) shows off an ability that allows her to "puppeteer" others with Life Fibers, called Mental Refitting. She does this to Ryuko, but it only lasts for about a minute or two before she literally uses her own hair to sever the strings. XD
Then there's episodes 20 and 21. Ragyo and Harime Nui (who is the second most powerful baddie, serving under Ragyo and is generally a cutsy homicidal crazy-chick) manage to capture Ryuko during battle, and alter her memories to make her enjoy being worn by the Life Fibers. What makes this particularly relevant to the forum is how this occurs. Nui and Ragyo graft Junketsu (which is like Senketsu, but was stolen from Satsuki Kiryuin, Ragyo's daughter and Ryuko's older sister) to Ryuko, and as her memories are altered, they're all naked and lightly groping Ryuko to make her addicted to the pleasure of wearing Junketsu and serving Ragyo. By the end of episode 21, however, Mako and Senketsu manage to enter Ryuko's altered memories and free her of Ragyo's control.
(Episode 20, where Ryuko gets brainwashed)
(Episode 20 ending, where brainwashed Ryuko attacks)
(Episode 21, where Mako and Senketsu break Ryuko out of it [no subs on this one, but you can figure it out]; I can't find the epic Yuri scene on Youtube, sorry.
)
So, yeah. Quite a bit of implied and blatant Yuri/Corruption/MC/femdom. XD