Pixiv: https://www.pixiv.net/en/artworks/131528654 Ika Musume (イカ娘) Shinryaku! Ika Musume The Squid Girl 侵略!イカ娘 Ika Musume is a squid girl who claims to be "A Messenger of the Sea." Frustrated about her ocean being polluted by human beings, she planned to conquer the world to exact revenge on humanity. However, she soon realizes that she doesn't stand a chance against anyone, as she is clueless about the surface and is alone in her conquest. As a result of breaking a side of a beach house's wall during her invasion, she is forced to work there and learns more about humans and their ways.