Lilly Kasumi is a major side character in the anime Kasumin. She is also known as Ranko Kasumi in the original Japanese version and as Lily Mistin in the English dub. She is the only daughter of the Kasumi family and, following her divorce, lives with her family. Her role in the story is that of a supporting character within the Kasumi household, interacting with the main protagonist and the Henamon creatures that inhabit the mansion. Details about her personality, motivations, development, and notable abilities are not described in the available material.