Miyu Akihara (also spelled Miyu Agihara) appears as a minor character in "Gift: Eternal Rainbow". Identified within the visual novel's character list as one of Haruhiko Amami's love interests, her known attributes include being a high school student, a teenager, a bookworm, and a writer, noted for her hair antenna. No further details about her background story, personality traits, relationships, role in the plot, or development across the official anime, visual novel, OVAs, or spin-offs are documented in the available sources.