The cat returns a whole new tail

When haru dies from cancer, her husband and son had died in a car crash and the only one left is Kitty. She must learn to survive on her own, but the day Haru died, kitty saw a poor kitten being beaten up. She saved him and nursed him back to health, but what happens when he offers her the thing she wants most, to be a cat. She opens her mothers letter and decides to go to Baron!