Sanae Nagatsuki is a girl who loves Squid Girl, and because of this Squid Girl is scared of her. Early in the series, Sanae took Squid Girl home and dressed her up in various outfits. She has a collection of photos of Squid Girl . She starts to hate her at Season 1 Episode 8.
She becomes a machosist after constantly being injured by her attempts to hug Squid Girl.