Ayulia Lulusia is a major character in the Monster Hunter Stories anime series. She is a skilled and calm Rider known for her strong sense of justice and deep connection with her Monstie, Frostfang. Initially quiet and reserved, she carries a mysterious past and gradually opens up to the main group. Ayulia plays a key supporting role in the series, helping the protagonist face various challenges and uncover secrets about Riders and monsters alike.