Yuuki Yuuna is a Hero: Churutto!

The Justice of Udon Lies Within Me (1x11)

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Kokubou Kamen (masked defenders of the country) are trying to develop Udon with a firm idea. However, what stands in front of them, who aim at frugality and simplicity, is that dark heroine who is gorgeous, selfish, and irreverent, and who is always ready to chomechome!