Japan. From time immemorial, there are those who possess superhuman abilities. These beings who looked like a cross between man and beast are called Demi-Humans. They acted as Ninja and served those in power.
http://store.steampowered.com/app/744520/NEKONIN_exHeart_PLUS_Nachi/
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NEKO-NIN exHeart +PLUS Nachi has released on Steam! It's not required to play NEKO-NIN exHeart first but it's recommended!
Yura and Tama have openly declared themselves as cat ninja of our protagonist.
That being said, the two of them live their lives as house cats would.
Impressed by the protagonist's desire to become a better Master for his ninja,
Nachi decides to train our protagonist.
What happens when Nachi finds herself glued to our protagonist as well...?
