Rôji a young man who just had his first apartment, wants to adopt a cat to live with him.

Finally, he chooses a pussy quite not ordinary.

Indeed, Kitty is able to take an human appearance when she wants to. Also, she can transmit this ability with a bite.

She, finally, tolds her secret to Rôji. She is the results of some experiments, made by two scientists when she was in her mother's belly.

Sadly, problems still following her because the two scientists still running after her. They wish to keep secret their experiments and they didn't want to see their ancient result running around the world.