Eiko Aizawa

A girl who works at the Lemon Beach House alongside her older sister. After Ikahttps://anilist.co/character/20512/IkaMusume fails to invade the surface she forces them to work for her to pay off a part of the wall she destroyed. She is the younger sister to Chizuru Aizawahttps://anilist.co/character/34654/ChizuruAizawa and older sister to Takeru Aizawahttps://anilist.co/character/37242/TakeruAizawa. She is typically the one who is the most annoyed by Squid Girls antics getting easily frustrated with them and not showing much concern for her wellbeing or safety.