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The Girl Can't Help it
Kanji 女はそれを我慢できない
Rōmaji Onna wa Sore wo Gaman Dekinai
Air Date January 30, 2014 (Japan), May 30, 2015 (Toonami)
Opening Ambiguous
Ending Shin Sekai Kōkyōgaku
Episode 15
Episode List Next
Episode 17

"The Girl Can't Help It" is the 16th episode of Kill la Kill.


Satsuki Kiryūin returns exhausted to her mansion to recover from her battle with Ryūko Matoi. It is revealed that transforming for long periods of time puts great stress on Satsuki. Nevertheless, impressed by her daughter's prowess with Junketsu, Ragyō Kiryūin shows Satsuki a chamber in their mansion containing the original Life Fiber, an extraterrestrial entity that produces parasitic fibers to feed on mankind. She then instructs Satsuki to organize a school festival as the final step in her plan to distribute Life Fibers within clothes across the world.

Meanwhile, Aikurō Mikisugi and Tsumugu Kinagase guide Ryūko and Mako Mankanshoku to an undamaged section of their underground base. Aikurō reveals that Life Fibers are what induced humanity's evolution into Homo sapiens and the instinct to wear clothes. He further explains that Isshin Matoi founded Nudist Beach and created Senketsu for Ryūko to wear and fight the Kiryūins when she came of age, as she displays a high resistance to Life Fibers. Ryūko becomes outraged that Nudist Beach sees Senketsu as little more than a weapon and takes him off, refusing to let him kill his own kind. Deeming them of no more worth, Tsumugu prepares to kill Ryūko and Senketsu.




  • This episode marks the debut of the new opening and ending themes, Ambiguous and Shin Sekai Kōkyōgaku, respectively.
  • It should be noted that this is the episode where the origins of Life Fibers, Nudist Beach, the Revocs Corporation and Senketsu all finally come to light, essentially explaining the main storyline in its entirety.