Full Metal Panic!

A Fancy Without Honor or Humanity (2x10)

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Sousuke and Kaname discover that Ren Mikihara is a yakuza daughter whose members ask for their help to deal with a rival gang. Sousuke, in his mascot disguise, trains the yakuza members. When the rival gang kidnaps Ren and Kaname, Sousuke and his recruits rescue them wearing special mascot AS's.