Ruri Hibarigaoka, often referred to by her nickname "Hibari," is one of the main characters in the anime series Anne Happy. She is a student in Class 1-7, known as the 'Happiness Class,' which is comprised of students who are deemed unlucky. Ruri is characterized by her calm and composed demeanor, and despite her misfortune in love, she is supportive and caring towards her friends. Her unique trait is her affection for a stuffed dog named "Tama," which often leads to comedic situations. Ruri plays a central role in the narrative, as her journey alongside her classmates explores themes of friendship and happiness.