Terrible eyesight, and with how often she forgets to bring her glasses, she has difficulty going through her day at school, Ai is a forgetful person, especially when she often forgets to bring her glasses.She usually speaks like a warrior which has been passed onto her by her father and she also loves learning about sea creatures. After meeting with her love with her, she starts to forget her glasses more than usual which makes the reader question if her acts are on purpose or not.