Haley Sumari is a premade Sim living in Moonlight Falls with her roommates, Alice Fitzgerald, Malcolm Harris and Deedee Wynn in the Roommates Wanna Be household. Haley loves fairies and does her best to find fairies and mimic their behavior. She dreams of finding a "Fairy King" and spending the rest of their life together. Haley has a part-time job at the Day Spa, working as an intake specialist. She is at level 4 in the Charisma skill, and carries two books in her inventory.
Haley is best friends forever with Branch Timbley and Alice Fitzgerald, best friends with Marigold Maldano, good friends with Malcolm Harris and Pip Goodfellow, and friends with Helen Hall and Deedee Wynn.
- Her bio states she is working on a book called "Broken Wings", however, this is not seen in normal gameplay.
- Like all other Sims of Moonlight Falls she has the "New Friend" moodlet when first played.
- Despite her descriptions, she does not have the Supernatural Fan trait.