Yukari Aoba lives in the human world, where she owns a clothing store and works as a fashion designer. Her hobbies are accessorizing and designing clothes. She collaborates with Sumire, a violet Flower Fairilu, on clothing designs and offers encouragement for Sumire's aspirations. Yukari Aoba is friends with another human character, Lilas Hanamura. Her role involves supporting Fairilus in their endeavors, particularly through creative partnerships focused on fashion and design, facilitating connections between the human world and Fairilu characters.