Eiko Aizawa

Eiko Aizawa is a protagonist in ''Shinryaku! Ika Musume. ''She is friends with Ika Musume and helps her sister in running the Lemon beach house. She is an avid video gamer and "considers gaming as her life". She is not very good at math to the point that she begged Ika Musume to teach her. She is hot-headed and gets angry easily especially to Ika Musume.