All Purpose Cultural Cat Girl Nuku Nuku OVA [OVA]
Bannou Bunka Nekomusume OVA 1
Ryuunosuke found a stray cat, suddently gunfire broke out around them, he ends up getting away but the cat got hit by a bullet and ends up dying. A few weeks later, he gets a new sister, Nuku-Nuku, which turns out to be the cat inside of an android.
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