She was a Numbers Hunter working for Mr. Heartland in the Heartland Theme Park disguised as an employee. There, she is the owner of the House of Dolls attraction, and is known as the mascot of Heartland. After being defeated by Yuma, she becomes one of Yuma's friends.
(Source: Yu-Gi-Oh! Wiki)
Content compiled by AnimeList.moe from publicly available sources.
