|Relatives||Hazuki Aihara (Sister)|
Mizuki Aihara (藍原ミズキ Aihara Mizuki?) is a main character and a male protagonist in Akiba's Beat. He is a 20 year-old college student and a high-braver in part-time jobs. Mizuki is Asahi Tachibana's childhood friend and a brother-like figure to him. In contrast to Asahi's free nature, Mizuki is the more serious and reliable type.
He carries the title, "The Intelligent and Beautiful High-Braver" (才色兼備なハイブレイバー?).