Kill la Kill Episode 17 English Subbed Episode Title:Tell Me Why.Episode Description:After Mako and Senketsu dissolve the fight between Ryuko and Tsumugu, Aikuro explains to her how Tsumugu's sister, Kinue, died in a Life Fiber experiment, and that Senketsu was made with Ryuko's DNA, hence why only she can wear and communicate with him. Meanwhile, Honnouji Academy makes preparations for a cultural and sports festival to celebrate Ragyo visiting the school. Learning that this a cover up for a final experiment in which all of Honnouji City will be sacrificed to the Life Fibers, Ryuko and the others head for Honnouji Academy, where the ceremony has begun...