Miriam is a supporting character in the anime My Daughter Left the Nest and Returned an S-Rank Adventurer. She serves as the mage in Angeline’s adventuring party and is a beast‑kin, a fact she typically conceals by hiding her cat ears and tail in public. She was raised in the Orphen Orphanage, where she formed a close childhood bond with the archer Anessa; the two remained teammates after their original party disbanded and later joined forces with Angeline. Miriam is an AA‑class (sometimes described as AAA‑class) adventurer who specializes in lightning magic, a skill she developed under the training of a legendary archmage.

In terms of personality, Miriam is playful, light‑hearted, and quick to joke, often teasing her more serious companions. Beneath this cheerful exterior lies someone who experienced rejection and pity due to her beast‑kin heritage, which shaped her desire to prove herself and to protect those who accept her. Her primary motivation is to support her party and to enjoy the camaraderie she found with Anessa and Angeline after a lonely upbringing. She is fiercely loyal and does her best to lighten tense situations.

Within the story, Miriam acts as a reliable magical powerhouse during combat and provides emotional support to her teammates. Her relationships are central to her role: with Anessa, she shares a long‑standing, almost sisterly trust; with Angeline, she is a devoted friend who admires the S‑rank adventurer’s strength yet is not afraid to tease her. There is limited focus on Miriam’s personal development across the narrative, but her backstory highlights themes of overcoming prejudice and finding a family in chosen friends. Her blend of playful demeanor and hidden depth makes her a warm, dependable presence in Angeline’s party.