Katy/Chao is the Cat befriends Unico after the West Wind whisks him away from the Isle of Solitude. Abandoned and having no family, She wants to be human so she can become a witch. When Unico grants her wish, she discovers the thrill - and dangers- of being a real girl. 

Unico the Unicorn has the amazing power to make anyone he meets happy. Whether it's because of his personality or the powers of his horn, no one knows. However, the gods become jealous of Unico, thinking that only gods should be able to decide or let people be happy or not. Unico is banished to the Hill of Oblivion, and the West Wind is ordered to take him there. She can't stand giving this fate to an innocent like Unico, so Unico's adventures begin, as the West Wind takes him from one place and time to the next, in a neverending journey to escape the wrath of the gods. In this adventure, Unico meets Beezel a devil child and then Katy (Chao), a cat who wants to be a witch! Can he become friends with them?<br><br>
(Source: AniDB)

__Hobbies:__ Reading and writing  Stargazing
__Non-anime roles:__
White/Black Bomberman in "Bomberman Fantasy Race" (VG)

A little unicorn named Unico lives with his mistress Psyche, bringing her happiness and good fortune in return for her unconditional love. The goddess Venus, however, grows jealous of Psyche's legions of admirers and flings Unico across time and space! When he awakens, he's facing down mean buffalo in the American West, with no memory of Psyche or his past life. It's the first of many exciting adventures that will bring Unico face to face with high society in Imperial Russia, characters from fairy tales and Shakespeare, and even an automated factory intent on blotting out the sun.<br><br>
(Source: eManga) 