At Your Service, Kitty

At Your Service, Kitty manga summary: She picked up a black kitty with a huge diamond by chance. But is it really a kitty? With her bathtub occupied and her foods stolen by it, how could she warm the bed for it every day? It is acceptable because of money. How come the kitty shall slink? One day she found in panic that the boss of her company wears a necklace with a diamond just the same as that of her kitty.