Guide young and aspiring comrades in the ways of Communism. Rally them together to form a new Ninja Union for the Motherland!

Sensei are the 2nd tier in the Shuriken industry. They are from the Ninja Union event. They cost 100 Ninjas, 100 M Shurikens, and 3 Comrades.

Koro Kai automates Sensei.

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