Mohiro Mikage is a young man who appears in the anime Magical Girl Ore. He is the older brother of Sakuyo Mikage and a childhood friend of Saki Uno. Mohiro works as a member of the top idol unit STAR☆PRINCE, performing alongside his partner Hyoue. He has a distinctive singing voice that is known to attract both human listeners and animals, often gathering small creatures when he sings. Mohiro is typically quiet and speaks very little, often appearing absent or stoic in everyday situations. He has spiky black hair that shows his forehead, narrow blue eyes, pale skin, and a lean, slim body frame.

In the story, Mohiro serves as the romantic interest of Saki Uno, which drives much of the plot. He is frequently targeted by demons, and it is the threat of his kidnapping that first motivates Saki to transform into the magical girl Ore. His role is largely as a catalyst for the magical girl conflicts and as the object of Saki's affections. A notable development occurs when Mohiro becomes attracted to Saki's male muscular magical girl form, creating a comedic and complicated love triangle. His key relationships include his close bond with his sister Sakuyo, his childhood friendship with Saki, and his professional partnership with Hyoue. Mohiro does not possess any combat abilities; his primary talent is his singing, which is both his career focus and his most remarkable trait. Throughout the series, his personality remains reserved and enigmatic, and he does not undergo significant character change, instead functioning as a steady emotional anchor for the main characters.