Hello Kitty no Suteki na Kyoudai  

Hello Kitty and Friends: The Wonderful Sisters, Hello Kitty in The Wonderful Sisters, ハローキティのすてきな姉妹

Kitty and Mimmy strive to become the best sisters possible, even if it means supporting one another in deception. However, when their actions lead to negative consequences, they come to value themselves just as highly as they do each other.