200 years after the Demon King was defeated by a hero. Human society was dominated by the beast-man "human cat" in the form of a cat, and ordinary humans were no longer treated as inferior races.
Naomi, a female knight who was rare in this era and was good at battle, continued to be active on the battlefield, but one day suddenly he was pulled back to the royal capital. Naomi was discouraged, but she was begun to look at a suspicious woman she met at the mansion she was sent to...
Who is the woman? And what are the "human cats"?

Description was taken from the official site.
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